diff --git a/crates/uv-configuration/src/build_options.rs b/crates/uv-configuration/src/build_options.rs
index 67049981934d..9ae5274ffc71 100644
--- a/crates/uv-configuration/src/build_options.rs
+++ b/crates/uv-configuration/src/build_options.rs
@@ -305,7 +305,7 @@ impl NoBuild {
     }
 }
 
-#[derive(Debug, Default, Clone, Copy, Hash, Eq, PartialEq, serde::Deserialize)]
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, serde::Deserialize)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 #[cfg_attr(feature = "clap", derive(clap::ValueEnum))]
 #[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
diff --git a/crates/uv-resolver/src/dependency_mode.rs b/crates/uv-resolver/src/dependency_mode.rs
index b107e25daea8..8feb0d2d6cc8 100644
--- a/crates/uv-resolver/src/dependency_mode.rs
+++ b/crates/uv-resolver/src/dependency_mode.rs
@@ -1,4 +1,4 @@
-#[derive(Debug, Default, Clone, Copy)]
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, serde::Deserialize)]
 pub enum DependencyMode {
     /// Include all dependencies, whether direct or transitive.
     #[default]
diff --git a/crates/uv-resolver/src/exclude_newer.rs b/crates/uv-resolver/src/exclude_newer.rs
index d2fd6b3582b3..be9095eebe8f 100644
--- a/crates/uv-resolver/src/exclude_newer.rs
+++ b/crates/uv-resolver/src/exclude_newer.rs
@@ -3,7 +3,7 @@ use std::str::FromStr;
 use chrono::{DateTime, Days, NaiveDate, NaiveTime, Utc};
 
 /// A timestamp that excludes files newer than it.
-#[derive(Debug, Copy, Clone, serde::Deserialize, serde::Serialize)]
+#[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
 pub struct ExcludeNewer(DateTime<Utc>);
 
 impl ExcludeNewer {
diff --git a/crates/uv-resolver/src/lock.rs b/crates/uv-resolver/src/lock.rs
index 722eb9071615..890937567aa5 100644
--- a/crates/uv-resolver/src/lock.rs
+++ b/crates/uv-resolver/src/lock.rs
@@ -42,7 +42,8 @@ use uv_workspace::VirtualProject;
 use crate::resolution::{AnnotatedDist, ResolutionGraphNode};
 use crate::resolver::FxOnceMap;
 use crate::{
-    InMemoryIndex, MetadataResponse, RequiresPython, ResolutionGraph, VersionMap, VersionsResponse,
+    ExcludeNewer, InMemoryIndex, MetadataResponse, PreReleaseMode, RequiresPython, ResolutionGraph,
+    ResolutionMode, VersionMap, VersionsResponse,
 };
 
 /// The current version of the lock file format.
@@ -55,6 +56,12 @@ pub struct Lock {
     distributions: Vec<Distribution>,
     /// The range of supported Python versions.
     requires_python: Option<RequiresPython>,
+    /// The [`ResolutionMode`] used to generate this lock.
+    resolution_mode: ResolutionMode,
+    /// The [`PreReleaseMode`] used to generate this lock.
+    prerelease_mode: PreReleaseMode,
+    /// The [`ExcludeNewer`] used to generate this lock.
+    exclude_newer: Option<ExcludeNewer>,
     /// A map from distribution ID to index in `distributions`.
     ///
     /// This can be used to quickly lookup the full distribution for any ID
@@ -144,7 +151,15 @@ impl Lock {
 
         let distributions = locked_dists.into_values().collect();
         let requires_python = graph.requires_python.clone();
-        let lock = Self::new(VERSION, distributions, requires_python)?;
+        let options = graph.options;
+        let lock = Self::new(
+            VERSION,
+            distributions,
+            requires_python,
+            options.resolution_mode,
+            options.prerelease_mode,
+            options.exclude_newer,
+        )?;
         Ok(lock)
     }
 
@@ -153,6 +168,9 @@ impl Lock {
         version: u32,
         mut distributions: Vec<Distribution>,
         requires_python: Option<RequiresPython>,
+        resolution_mode: ResolutionMode,
+        prerelease_mode: PreReleaseMode,
+        exclude_newer: Option<ExcludeNewer>,
     ) -> Result<Self, LockError> {
         // Put all dependencies for each distribution in a canonical order and
         // check for duplicates.
@@ -307,10 +325,13 @@ impl Lock {
                 }
             }
         }
-        Ok(Lock {
+        Ok(Self {
             version,
             distributions,
             requires_python,
+            resolution_mode,
+            prerelease_mode,
+            exclude_newer,
             by_id,
         })
     }
@@ -330,6 +351,21 @@ impl Lock {
         self.requires_python.as_ref()
     }
 
+    /// Returns the resolution mode used to generate this lock.
+    pub fn resolution_mode(&self) -> ResolutionMode {
+        self.resolution_mode
+    }
+
+    /// Returns the pre-release mode used to generate this lock.
+    pub fn prerelease_mode(&self) -> PreReleaseMode {
+        self.prerelease_mode
+    }
+
+    /// Returns the exclude newer setting used to generate this lock.
+    pub fn exclude_newer(&self) -> Option<ExcludeNewer> {
+        self.exclude_newer
+    }
+
     /// Convert the [`Lock`] to a [`Resolution`] using the given marker environment, tags, and root.
     pub fn to_resolution(
         &self,
@@ -419,6 +455,19 @@ impl Lock {
             doc.insert("requires-python", value(requires_python.to_string()));
         }
 
+        // Write the settings that were used to generate the resolution.
+        // This enables us to invalidate the lockfile if the user changes
+        // their settings.
+        if self.resolution_mode != ResolutionMode::default() {
+            doc.insert("resolution-mode", value(self.resolution_mode.to_string()));
+        }
+        if self.prerelease_mode != PreReleaseMode::default() {
+            doc.insert("prerelease-mode", value(self.prerelease_mode.to_string()));
+        }
+        if let Some(exclude_newer) = self.exclude_newer {
+            doc.insert("exclude-newer", value(exclude_newer.to_string()));
+        }
+
         // Count the number of distributions for each package name. When
         // there's only one distribution for a particular package name (the
         // overwhelmingly common case), we can omit some data (like source and
@@ -522,12 +571,18 @@ impl Lock {
 }
 
 #[derive(Clone, Debug, serde::Deserialize)]
+#[serde(rename_all = "kebab-case")]
 struct LockWire {
     version: u32,
     #[serde(rename = "distribution")]
     distributions: Vec<DistributionWire>,
-    #[serde(rename = "requires-python")]
     requires_python: Option<RequiresPython>,
+    #[serde(default)]
+    resolution_mode: ResolutionMode,
+    #[serde(default)]
+    prerelease_mode: PreReleaseMode,
+    #[serde(default)]
+    exclude_newer: Option<ExcludeNewer>,
 }
 
 impl From<Lock> for LockWire {
@@ -540,6 +595,9 @@ impl From<Lock> for LockWire {
                 .map(DistributionWire::from)
                 .collect(),
             requires_python: lock.requires_python,
+            resolution_mode: lock.resolution_mode,
+            prerelease_mode: lock.prerelease_mode,
+            exclude_newer: lock.exclude_newer,
         }
     }
 }
@@ -570,7 +628,14 @@ impl TryFrom<LockWire> for Lock {
             .into_iter()
             .map(|dist| dist.unwire(&unambiguous_dist_ids))
             .collect::<Result<Vec<_>, _>>()?;
-        Lock::new(wire.version, distributions, wire.requires_python)
+        Lock::new(
+            wire.version,
+            distributions,
+            wire.requires_python,
+            wire.resolution_mode,
+            wire.prerelease_mode,
+            wire.exclude_newer,
+        )
     }
 }
 
diff --git a/crates/uv-resolver/src/options.rs b/crates/uv-resolver/src/options.rs
index 4b7e9244b360..88dd8131dc03 100644
--- a/crates/uv-resolver/src/options.rs
+++ b/crates/uv-resolver/src/options.rs
@@ -3,7 +3,7 @@ use uv_configuration::IndexStrategy;
 use crate::{DependencyMode, ExcludeNewer, PreReleaseMode, ResolutionMode};
 
 /// Options for resolving a manifest.
-#[derive(Debug, Default, Copy, Clone)]
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, serde::Deserialize)]
 pub struct Options {
     pub resolution_mode: ResolutionMode,
     pub prerelease_mode: PreReleaseMode,
diff --git a/crates/uv-resolver/src/prerelease_mode.rs b/crates/uv-resolver/src/prerelease_mode.rs
index db6cec1255ae..a04b127f2c41 100644
--- a/crates/uv-resolver/src/prerelease_mode.rs
+++ b/crates/uv-resolver/src/prerelease_mode.rs
@@ -30,6 +30,18 @@ pub enum PreReleaseMode {
     IfNecessaryOrExplicit,
 }
 
+impl std::fmt::Display for PreReleaseMode {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Self::Disallow => write!(f, "disallow"),
+            Self::Allow => write!(f, "allow"),
+            Self::IfNecessary => write!(f, "if-necessary"),
+            Self::Explicit => write!(f, "explicit"),
+            Self::IfNecessaryOrExplicit => write!(f, "if-necessary-or-explicit"),
+        }
+    }
+}
+
 /// Like [`PreReleaseMode`], but with any additional information required to select a candidate,
 /// like the set of direct dependencies.
 #[derive(Debug, Clone)]
diff --git a/crates/uv-resolver/src/resolution/graph.rs b/crates/uv-resolver/src/resolution/graph.rs
index 5aad5d16368f..60b65f40da84 100644
--- a/crates/uv-resolver/src/resolution/graph.rs
+++ b/crates/uv-resolver/src/resolution/graph.rs
@@ -22,7 +22,7 @@ use crate::redirect::url_to_precise;
 use crate::resolution::AnnotatedDist;
 use crate::resolver::{Resolution, ResolutionPackage};
 use crate::{
-    InMemoryIndex, MetadataResponse, PythonRequirement, RequiresPython, ResolveError,
+    InMemoryIndex, MetadataResponse, Options, PythonRequirement, RequiresPython, ResolveError,
     VersionsResponse,
 };
 
@@ -42,6 +42,8 @@ pub struct ResolutionGraph {
     pub(crate) constraints: Constraints,
     /// The overrides that were used to build the graph.
     pub(crate) overrides: Overrides,
+    /// The options that were used to build the graph.
+    pub(crate) options: Options,
 }
 
 #[derive(Debug)]
@@ -53,6 +55,7 @@ pub(crate) enum ResolutionGraphNode {
 impl ResolutionGraph {
     /// Create a new graph from the resolved PubGrub state.
     pub(crate) fn from_state(
+        resolution: Resolution,
         requirements: &[Requirement],
         constraints: &Constraints,
         overrides: &Overrides,
@@ -60,7 +63,7 @@ impl ResolutionGraph {
         index: &InMemoryIndex,
         git: &GitResolver,
         python: &PythonRequirement,
-        resolution: Resolution,
+        options: Options,
     ) -> Result<Self, ResolveError> {
         type NodeKey<'a> = (
             &'a PackageName,
@@ -308,6 +311,7 @@ impl ResolutionGraph {
             requirements: requirements.to_vec(),
             constraints: constraints.clone(),
             overrides: overrides.clone(),
+            options,
         })
     }
 
diff --git a/crates/uv-resolver/src/resolution_mode.rs b/crates/uv-resolver/src/resolution_mode.rs
index c1d9dd6779f6..300b83381b62 100644
--- a/crates/uv-resolver/src/resolution_mode.rs
+++ b/crates/uv-resolver/src/resolution_mode.rs
@@ -5,7 +5,7 @@ use uv_normalize::PackageName;
 
 use crate::{DependencyMode, Manifest};
 
-#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, serde::Deserialize)]
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq, serde::Deserialize, serde::Serialize)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 #[cfg_attr(feature = "clap", derive(clap::ValueEnum))]
 #[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
@@ -20,6 +20,16 @@ pub enum ResolutionMode {
     LowestDirect,
 }
 
+impl std::fmt::Display for ResolutionMode {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Self::Highest => write!(f, "highest"),
+            Self::Lowest => write!(f, "lowest"),
+            Self::LowestDirect => write!(f, "lowest-direct"),
+        }
+    }
+}
+
 /// Like [`ResolutionMode`], but with any additional information required to select a candidate,
 /// like the set of direct dependencies.
 #[derive(Debug, Clone)]
diff --git a/crates/uv-resolver/src/resolver/mod.rs b/crates/uv-resolver/src/resolver/mod.rs
index 97f6c5bfe48a..d72948e0b15c 100644
--- a/crates/uv-resolver/src/resolver/mod.rs
+++ b/crates/uv-resolver/src/resolver/mod.rs
@@ -116,6 +116,9 @@ struct ResolverState<InstalledPackages: InstalledPackagesProvider> {
     unavailable_packages: DashMap<PackageName, UnavailablePackage>,
     /// Incompatibilities for packages that are unavailable at specific versions.
     incomplete_packages: DashMap<PackageName, DashMap<Version, IncompletePackage>>,
+    /// The options that were used to configure this resolver.
+    options: Options,
+    /// The reporter to use for this resolver.
     reporter: Option<Arc<dyn Reporter>>,
 }
 
@@ -202,8 +205,6 @@ impl<Provider: ResolverProvider, InstalledPackages: InstalledPackagesProvider>
         let state = ResolverState {
             index: index.clone(),
             git: git.clone(),
-            unavailable_packages: DashMap::default(),
-            incomplete_packages: DashMap::default(),
             selector: CandidateSelector::for_resolution(
                 options,
                 &manifest,
@@ -236,8 +237,11 @@ impl<Provider: ResolverProvider, InstalledPackages: InstalledPackagesProvider>
             },
             markers,
             python_requirement: python_requirement.clone(),
-            reporter: None,
             installed_packages,
+            unavailable_packages: DashMap::default(),
+            incomplete_packages: DashMap::default(),
+            options,
+            reporter: None,
         };
         Ok(Self { state, provider })
     }
@@ -677,6 +681,7 @@ impl<InstalledPackages: InstalledPackagesProvider> ResolverState<InstalledPackag
             }
         }
         ResolutionGraph::from_state(
+            combined,
             &self.requirements,
             &self.constraints,
             &self.overrides,
@@ -684,7 +689,7 @@ impl<InstalledPackages: InstalledPackagesProvider> ResolverState<InstalledPackag
             &self.index,
             &self.git,
             &self.python_requirement,
-            combined,
+            self.options,
         )
     }
 
diff --git a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_optional_missing.snap b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_optional_missing.snap
index 38e0ae528f96..c2283fa666cf 100644
--- a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_optional_missing.snap
+++ b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_optional_missing.snap
@@ -62,6 +62,9 @@ Ok(
             },
         ],
         requires_python: None,
+        resolution_mode: Highest,
+        prerelease_mode: IfNecessaryOrExplicit,
+        exclude_newer: None,
         by_id: {
             DistributionId {
                 name: PackageName(
diff --git a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_optional_present.snap b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_optional_present.snap
index 15cf4ff44caa..fe357d9f7c57 100644
--- a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_optional_present.snap
+++ b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_optional_present.snap
@@ -69,6 +69,9 @@ Ok(
             },
         ],
         requires_python: None,
+        resolution_mode: Highest,
+        prerelease_mode: IfNecessaryOrExplicit,
+        exclude_newer: None,
         by_id: {
             DistributionId {
                 name: PackageName(
diff --git a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_required_present.snap b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_required_present.snap
index 946a8e0fd991..bff7c8d68232 100644
--- a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_required_present.snap
+++ b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__hash_required_present.snap
@@ -55,6 +55,9 @@ Ok(
             },
         ],
         requires_python: None,
+        resolution_mode: Highest,
+        prerelease_mode: IfNecessaryOrExplicit,
+        exclude_newer: None,
         by_id: {
             DistributionId {
                 name: PackageName(
diff --git a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_source_unambiguous.snap b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_source_unambiguous.snap
index 203ccc5e39ed..75ab8ea9fd0c 100644
--- a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_source_unambiguous.snap
+++ b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_source_unambiguous.snap
@@ -134,6 +134,9 @@ Ok(
             },
         ],
         requires_python: None,
+        resolution_mode: Highest,
+        prerelease_mode: IfNecessaryOrExplicit,
+        exclude_newer: None,
         by_id: {
             DistributionId {
                 name: PackageName(
diff --git a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_source_version_unambiguous.snap b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_source_version_unambiguous.snap
index 203ccc5e39ed..75ab8ea9fd0c 100644
--- a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_source_version_unambiguous.snap
+++ b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_source_version_unambiguous.snap
@@ -134,6 +134,9 @@ Ok(
             },
         ],
         requires_python: None,
+        resolution_mode: Highest,
+        prerelease_mode: IfNecessaryOrExplicit,
+        exclude_newer: None,
         by_id: {
             DistributionId {
                 name: PackageName(
diff --git a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_version_unambiguous.snap b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_version_unambiguous.snap
index 203ccc5e39ed..75ab8ea9fd0c 100644
--- a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_version_unambiguous.snap
+++ b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__missing_dependency_version_unambiguous.snap
@@ -134,6 +134,9 @@ Ok(
             },
         ],
         requires_python: None,
+        resolution_mode: Highest,
+        prerelease_mode: IfNecessaryOrExplicit,
+        exclude_newer: None,
         by_id: {
             DistributionId {
                 name: PackageName(
diff --git a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_direct_has_subdir.snap b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_direct_has_subdir.snap
index 86efde2bb207..37124663f3e1 100644
--- a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_direct_has_subdir.snap
+++ b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_direct_has_subdir.snap
@@ -43,6 +43,9 @@ Ok(
             },
         ],
         requires_python: None,
+        resolution_mode: Highest,
+        prerelease_mode: IfNecessaryOrExplicit,
+        exclude_newer: None,
         by_id: {
             DistributionId {
                 name: PackageName(
diff --git a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_direct_no_subdir.snap b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_direct_no_subdir.snap
index e2785ae7e077..21755df53c4d 100644
--- a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_direct_no_subdir.snap
+++ b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_direct_no_subdir.snap
@@ -41,6 +41,9 @@ Ok(
             },
         ],
         requires_python: None,
+        resolution_mode: Highest,
+        prerelease_mode: IfNecessaryOrExplicit,
+        exclude_newer: None,
         by_id: {
             DistributionId {
                 name: PackageName(
diff --git a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_directory.snap b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_directory.snap
index a4dea433828e..c4e5e5c7cf49 100644
--- a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_directory.snap
+++ b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_directory.snap
@@ -24,6 +24,9 @@ Ok(
             },
         ],
         requires_python: None,
+        resolution_mode: Highest,
+        prerelease_mode: IfNecessaryOrExplicit,
+        exclude_newer: None,
         by_id: {
             DistributionId {
                 name: PackageName(
diff --git a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_editable.snap b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_editable.snap
index ea9080472700..44c8e42d44d5 100644
--- a/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_editable.snap
+++ b/crates/uv-resolver/src/snapshots/uv_resolver__lock__tests__source_editable.snap
@@ -24,6 +24,9 @@ Ok(
             },
         ],
         requires_python: None,
+        resolution_mode: Highest,
+        prerelease_mode: IfNecessaryOrExplicit,
+        exclude_newer: None,
         by_id: {
             DistributionId {
                 name: PackageName(
diff --git a/crates/uv/src/commands/project/lock.rs b/crates/uv/src/commands/project/lock.rs
index 1a291e0f4ffe..d7e2b5e813f5 100644
--- a/crates/uv/src/commands/project/lock.rs
+++ b/crates/uv/src/commands/project/lock.rs
@@ -267,6 +267,58 @@ pub(super) async fn do_lock(
         FlatIndex::from_entries(entries, None, &hasher, build_options)
     };
 
+    // If any of the resolution-determining settings changed, invalidate the lock.
+    let existing_lock = existing_lock.filter(|lock| {
+        if lock.resolution_mode() != options.resolution_mode {
+            let _ = writeln!(
+                printer.stderr(),
+                "Ignoring existing lockfile due to change in resolution mode: `{}` vs. `{}`",
+                lock.resolution_mode().cyan(),
+                options.resolution_mode.cyan()
+            );
+            return false;
+        }
+        if lock.prerelease_mode() != options.prerelease_mode {
+            let _ = writeln!(
+                printer.stderr(),
+                "Ignoring existing lockfile due to change in prerelease mode: `{}` vs. `{}`",
+                lock.prerelease_mode().cyan(),
+                options.prerelease_mode.cyan()
+            );
+            return false;
+        }
+        match (lock.exclude_newer(), options.exclude_newer) {
+            (None, None) => (),
+            (Some(existing), Some(provided)) if existing == provided => (),
+            (Some(existing), Some(provided)) => {
+                let _ = writeln!(
+                    printer.stderr(),
+                    "Ignoring existing lockfile due to change in timestamp cutoff: `{}` vs. `{}`",
+                    existing.cyan(),
+                    provided.cyan()
+                );
+                return false;
+            }
+            (Some(existing), None) => {
+                let _ = writeln!(
+                    printer.stderr(),
+                    "Ignoring existing lockfile due to removal of timestamp cutoff: `{}`",
+                    existing.cyan(),
+                );
+                return false;
+            }
+            (None, Some(provided)) => {
+                let _ = writeln!(
+                    printer.stderr(),
+                    "Ignoring existing lockfile due to addition of timestamp cutoff: `{}`",
+                    provided.cyan()
+                );
+                return false;
+            }
+        }
+        true
+    });
+
     // If an existing lockfile exists, build up a set of preferences.
     let LockedRequirements { preferences, git } = existing_lock
         .as_ref()
diff --git a/crates/uv/tests/branching_urls.rs b/crates/uv/tests/branching_urls.rs
index 969935890fa3..e56219ea2a20 100644
--- a/crates/uv/tests/branching_urls.rs
+++ b/crates/uv/tests/branching_urls.rs
@@ -208,6 +208,7 @@ fn root_package_splits_transitive_too() -> Result<()> {
     assert_snapshot!(fs_err::read_to_string(context.temp_dir.join("uv.lock"))?, @r###"
     version = 1
     requires-python = ">=3.11, <3.13"
+    exclude-newer = "2024-03-25 00:00:00 UTC"
 
     [[distribution]]
     name = "a"
@@ -365,6 +366,7 @@ fn root_package_splits_other_dependencies_too() -> Result<()> {
     assert_snapshot!(fs_err::read_to_string(context.temp_dir.join("uv.lock"))?, @r###"
     version = 1
     requires-python = ">=3.11, <3.13"
+    exclude-newer = "2024-03-25 00:00:00 UTC"
 
     [[distribution]]
     name = "a"
@@ -493,6 +495,7 @@ fn branching_between_registry_and_direct_url() -> Result<()> {
     assert_snapshot!(fs_err::read_to_string(context.temp_dir.join("uv.lock"))?, @r###"
     version = 1
     requires-python = ">=3.11, <3.13"
+    exclude-newer = "2024-03-25 00:00:00 UTC"
 
     [[distribution]]
     name = "a"
@@ -559,6 +562,7 @@ fn branching_urls_of_different_sources_disjoint() -> Result<()> {
     assert_snapshot!(fs_err::read_to_string(context.temp_dir.join("uv.lock"))?, @r###"
     version = 1
     requires-python = ">=3.11, <3.13"
+    exclude-newer = "2024-03-25 00:00:00 UTC"
 
     [[distribution]]
     name = "a"
@@ -667,6 +671,7 @@ fn dont_pre_visit_url_packages() -> Result<()> {
     assert_snapshot!(fs_err::read_to_string(context.temp_dir.join("uv.lock"))?, @r###"
     version = 1
     requires-python = ">=3.11, <3.13"
+    exclude-newer = "2024-03-25 00:00:00 UTC"
 
     [[distribution]]
     name = "a"
diff --git a/crates/uv/tests/edit.rs b/crates/uv/tests/edit.rs
index 63bd71ff38c0..5c25bf95ab73 100644
--- a/crates/uv/tests/edit.rs
+++ b/crates/uv/tests/edit.rs
@@ -68,6 +68,7 @@ fn add_registry() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "anyio"
@@ -220,6 +221,7 @@ fn add_git() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "anyio"
@@ -366,6 +368,7 @@ fn add_git_raw() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "anyio"
@@ -488,6 +491,7 @@ fn add_unnamed() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "project"
@@ -580,6 +584,7 @@ fn add_remove_dev() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "anyio"
@@ -695,6 +700,7 @@ fn add_remove_dev() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "project"
@@ -776,6 +782,7 @@ fn add_remove_optional() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "project"
@@ -852,6 +859,7 @@ fn add_remove_optional() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "project"
@@ -975,6 +983,7 @@ fn add_remove_workspace() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "child1"
@@ -1047,6 +1056,7 @@ fn add_remove_workspace() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "child1"
@@ -1155,6 +1165,7 @@ fn add_workspace_editable() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "child1"
@@ -1348,6 +1359,7 @@ fn update() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "certifi"
@@ -1555,6 +1567,7 @@ fn add_no_clean() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "iniconfig"
@@ -1686,6 +1699,7 @@ fn remove_registry() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "project"
diff --git a/crates/uv/tests/lock.rs b/crates/uv/tests/lock.rs
index ed38362b0ed2..19b783221532 100644
--- a/crates/uv/tests/lock.rs
+++ b/crates/uv/tests/lock.rs
@@ -65,6 +65,7 @@ fn lock_wheel_registry() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "anyio"
@@ -236,6 +237,7 @@ fn lock_sdist_git() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "project"
@@ -307,6 +309,7 @@ fn lock_wheel_url() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "anyio"
@@ -405,6 +408,7 @@ fn lock_sdist_url() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "anyio"
@@ -504,6 +508,7 @@ fn lock_project_extra() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "anyio"
@@ -729,6 +734,7 @@ fn lock_dependency_extra() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "blinker"
@@ -915,6 +921,7 @@ fn lock_conditional_dependency_extra() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.7"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "certifi"
@@ -1165,6 +1172,7 @@ fn lock_dependency_non_existent_extra() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "blinker"
@@ -1334,6 +1342,7 @@ fn lock_upgrade_log() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "blinker"
@@ -1487,6 +1496,7 @@ fn lock_upgrade_log() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "blinker"
@@ -1636,6 +1646,7 @@ fn lock_upgrade_log_multi_version() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "blinker"
@@ -1806,6 +1817,7 @@ fn lock_upgrade_log_multi_version() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "blinker"
@@ -1954,6 +1966,7 @@ fn lock_preference() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "iniconfig"
@@ -2009,6 +2022,7 @@ fn lock_preference() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "iniconfig"
@@ -2055,6 +2069,7 @@ fn lock_preference() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "iniconfig"
@@ -2117,6 +2132,7 @@ fn lock_git_sha() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "project"
@@ -2173,6 +2189,7 @@ fn lock_git_sha() -> Result<()> {
             lock, @r###"
         version = 1
         requires-python = ">=3.12"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
 
         [[distribution]]
         name = "project"
@@ -2213,6 +2230,7 @@ fn lock_git_sha() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "project"
@@ -2311,6 +2329,7 @@ fn lock_requires_python() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.7"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "attrs"
@@ -2459,6 +2478,7 @@ fn lock_requires_python() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.7.9"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "attrs"
@@ -2597,6 +2617,7 @@ fn lock_requires_python() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "attrs"
@@ -2726,6 +2747,7 @@ fn lock_requires_python_wheels() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12, <3.13"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "frozenlist"
@@ -2795,6 +2817,7 @@ fn lock_requires_python_wheels() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.11, <3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "frozenlist"
@@ -2874,6 +2897,7 @@ fn lock_requires_python_star() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.11, <3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "attrs"
@@ -2983,6 +3007,7 @@ fn lock_requires_python_pre() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.11"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "attrs"
@@ -3091,6 +3116,7 @@ fn lock_requires_python_unbounded() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = "<=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "iniconfig"
@@ -3167,6 +3193,7 @@ fn lock_python_version_marker_complement() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.8"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "attrs"
@@ -3251,6 +3278,7 @@ fn lock_dev() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "iniconfig"
@@ -3351,6 +3379,7 @@ fn lock_conditional_unconditional() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "iniconfig"
@@ -3412,6 +3441,7 @@ fn lock_multiple_markers() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "iniconfig"
@@ -3513,6 +3543,7 @@ fn relative_and_absolute_paths() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.11, <3.13"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "a"
@@ -3576,6 +3607,7 @@ fn lock_cycles() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "argparse"
@@ -3763,6 +3795,7 @@ fn lock_new_extras() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "certifi"
@@ -3872,6 +3905,7 @@ fn lock_new_extras() -> Result<()> {
                 lock, @r###"
             version = 1
             requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
 
             [[distribution]]
             name = "certifi"
@@ -4053,3 +4087,162 @@ fn lock_invalid_hash() -> Result<()> {
 
     Ok(())
 }
+
+/// Vary the `--resolution-mode`, and ensure that the lockfile is updated.
+#[test]
+fn lock_resolution_mode() -> Result<()> {
+    let context = TestContext::new("3.12");
+
+    let pyproject_toml = context.temp_dir.child("pyproject.toml");
+    pyproject_toml.write_str(
+        r#"
+        [project]
+        name = "project"
+        version = "0.1.0"
+        requires-python = ">=3.12"
+        dependencies = ["anyio>=3"]
+        "#,
+    )?;
+
+    uv_snapshot!(context.filters(), context.lock(), @r###"
+        success: true
+        exit_code: 0
+        ----- stdout -----
+
+        ----- stderr -----
+        warning: `uv lock` is experimental and may change without warning
+        Resolved 4 packages in [TIME]
+        "###);
+
+    let lock = fs_err::read_to_string(context.temp_dir.join("uv.lock")).unwrap();
+
+    insta::with_settings!({
+        filters => context.filters(),
+    }, {
+        assert_snapshot!(
+            lock, @r###"
+            version = 1
+            requires-python = ">=3.12"
+            exclude-newer = "2024-03-25 00:00:00 UTC"
+
+            [[distribution]]
+            name = "anyio"
+            version = "4.3.0"
+            source = { registry = "https://pypi.org/simple" }
+            dependencies = [
+                { name = "idna" },
+                { name = "sniffio" },
+            ]
+            sdist = { url = "https://files.pythonhosted.org/packages/db/4d/3970183622f0330d3c23d9b8a5f52e365e50381fd484d08e3285104333d3/anyio-4.3.0.tar.gz", hash = "sha256:f75253795a87df48568485fd18cdd2a3fa5c4f7c5be8e5e36637733fce06fed6", size = 159642 }
+            wheels = [
+                { url = "https://files.pythonhosted.org/packages/14/fd/2f20c40b45e4fb4324834aea24bd4afdf1143390242c0b33774da0e2e34f/anyio-4.3.0-py3-none-any.whl", hash = "sha256:048e05d0f6caeed70d731f3db756d35dcc1f35747c8c403364a8332c630441b8", size = 85584 },
+            ]
+
+            [[distribution]]
+            name = "idna"
+            version = "3.6"
+            source = { registry = "https://pypi.org/simple" }
+            sdist = { url = "https://files.pythonhosted.org/packages/bf/3f/ea4b9117521a1e9c50344b909be7886dd00a519552724809bb1f486986c2/idna-3.6.tar.gz", hash = "sha256:9ecdbbd083b06798ae1e86adcbfe8ab1479cf864e4ee30fe4e46a003d12491ca", size = 175426 }
+            wheels = [
+                { url = "https://files.pythonhosted.org/packages/c2/e7/a82b05cf63a603df6e68d59ae6a68bf5064484a0718ea5033660af4b54a9/idna-3.6-py3-none-any.whl", hash = "sha256:c05567e9c24a6b9faaa835c4821bad0590fbb9d5779e7caa6e1cc4978e7eb24f", size = 61567 },
+            ]
+
+            [[distribution]]
+            name = "project"
+            version = "0.1.0"
+            source = { editable = "." }
+            dependencies = [
+                { name = "anyio" },
+            ]
+
+            [[distribution]]
+            name = "sniffio"
+            version = "1.3.1"
+            source = { registry = "https://pypi.org/simple" }
+            sdist = { url = "https://files.pythonhosted.org/packages/a2/87/a6771e1546d97e7e041b6ae58d80074f81b7d5121207425c964ddf5cfdbd/sniffio-1.3.1.tar.gz", hash = "sha256:f4324edc670a0f49750a81b895f35c3adb843cca46f0530f79fc1babb23789dc", size = 20372 }
+            wheels = [
+                { url = "https://files.pythonhosted.org/packages/e9/44/75a9c9421471a6c4805dbf2356f7c181a29c1879239abab1ea2cc8f38b40/sniffio-1.3.1-py3-none-any.whl", hash = "sha256:2f6da418d1f1e0fddd844478f41680e794e6051915791a034ff65e5f100525a2", size = 10235 },
+            ]
+            "###
+        );
+    });
+
+    // Locking again should be a no-op.
+    uv_snapshot!(context.filters(), context.lock(), @r###"
+        success: true
+        exit_code: 0
+        ----- stdout -----
+
+        ----- stderr -----
+        warning: `uv lock` is experimental and may change without warning
+        Resolved 4 packages in [TIME]
+        "###);
+
+    // Locking with `lowest-direct` should ignore the existing lockfile.
+    uv_snapshot!(context.filters(), context.lock().arg("--resolution").arg("lowest-direct"), @r###"
+        success: true
+        exit_code: 0
+        ----- stdout -----
+
+        ----- stderr -----
+        warning: `uv lock` is experimental and may change without warning
+        Ignoring existing lockfile due to change in resolution mode: `highest` vs. `lowest-direct`
+        Resolved 4 packages in [TIME]
+    "###);
+
+    let lock = fs_err::read_to_string(context.temp_dir.join("uv.lock")).unwrap();
+
+    insta::with_settings!({
+        filters => context.filters(),
+    }, {
+        assert_snapshot!(
+            lock, @r###"
+        version = 1
+        requires-python = ">=3.12"
+        resolution-mode = "lowest-direct"
+        exclude-newer = "2024-03-25 00:00:00 UTC"
+
+        [[distribution]]
+        name = "anyio"
+        version = "3.0.0"
+        source = { registry = "https://pypi.org/simple" }
+        dependencies = [
+            { name = "idna" },
+            { name = "sniffio" },
+        ]
+        sdist = { url = "https://files.pythonhosted.org/packages/99/0d/65165f99e5f4f3b4c43a5ed9db0fb7aa655f5a58f290727a30528a87eb45/anyio-3.0.0.tar.gz", hash = "sha256:b553598332c050af19f7d41f73a7790142f5bc3d5eb8bd82f5e515ec22019bd9", size = 116952 }
+        wheels = [
+            { url = "https://files.pythonhosted.org/packages/3b/49/ebee263b69fe243bd1fd0a88bc6bb0f7732bf1794ba3273cb446351f9482/anyio-3.0.0-py3-none-any.whl", hash = "sha256:e71c3d9d72291d12056c0265d07c6bbedf92332f78573e278aeb116f24f30395", size = 72182 },
+        ]
+
+        [[distribution]]
+        name = "idna"
+        version = "3.6"
+        source = { registry = "https://pypi.org/simple" }
+        sdist = { url = "https://files.pythonhosted.org/packages/bf/3f/ea4b9117521a1e9c50344b909be7886dd00a519552724809bb1f486986c2/idna-3.6.tar.gz", hash = "sha256:9ecdbbd083b06798ae1e86adcbfe8ab1479cf864e4ee30fe4e46a003d12491ca", size = 175426 }
+        wheels = [
+            { url = "https://files.pythonhosted.org/packages/c2/e7/a82b05cf63a603df6e68d59ae6a68bf5064484a0718ea5033660af4b54a9/idna-3.6-py3-none-any.whl", hash = "sha256:c05567e9c24a6b9faaa835c4821bad0590fbb9d5779e7caa6e1cc4978e7eb24f", size = 61567 },
+        ]
+
+        [[distribution]]
+        name = "project"
+        version = "0.1.0"
+        source = { editable = "." }
+        dependencies = [
+            { name = "anyio" },
+        ]
+
+        [[distribution]]
+        name = "sniffio"
+        version = "1.3.1"
+        source = { registry = "https://pypi.org/simple" }
+        sdist = { url = "https://files.pythonhosted.org/packages/a2/87/a6771e1546d97e7e041b6ae58d80074f81b7d5121207425c964ddf5cfdbd/sniffio-1.3.1.tar.gz", hash = "sha256:f4324edc670a0f49750a81b895f35c3adb843cca46f0530f79fc1babb23789dc", size = 20372 }
+        wheels = [
+            { url = "https://files.pythonhosted.org/packages/e9/44/75a9c9421471a6c4805dbf2356f7c181a29c1879239abab1ea2cc8f38b40/sniffio-1.3.1-py3-none-any.whl", hash = "sha256:2f6da418d1f1e0fddd844478f41680e794e6051915791a034ff65e5f100525a2", size = 10235 },
+        ]
+        "###
+        );
+    });
+
+    Ok(())
+}