diff --git a/Cargo.lock b/Cargo.lock
index 2e4285712..c86ee2357 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -95,7 +95,7 @@ version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -106,7 +106,7 @@ checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
  "anstyle",
  "once_cell_polyfill",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -779,7 +779,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1073,9 +1073,9 @@ dependencies = [
 
 [[package]]
 name = "granit-parser"
-version = "0.0.3"
+version = "0.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f50ba32164f9e098d5da618776a32afbb32270adcbe3d3d006107dae11e37c91"
+checksum = "14668345710c92cb04181d9268407067689327d4b055273e3c4179a0777ee6a1"
 dependencies = [
  "arraydeque",
  "smallvec",
@@ -1473,7 +1473,7 @@ checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
 dependencies = [
  "hermit-abi",
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1812,7 +1812,7 @@ version = "0.50.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
 dependencies = [
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2487,7 +2487,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2544,7 +2544,7 @@ dependencies = [
  "security-framework",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2682,9 +2682,9 @@ dependencies = [
 
 [[package]]
 name = "serde-saphyr"
-version = "0.0.27"
+version = "0.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5897b4c3faadadd35fdb6689f015641f3bc481d5adaaac56231ea15aeb243db3"
+checksum = "a15e3bc297370dc9c526bcf0986f29167a9286cfaad404f2f572b3074dabe5ec"
 dependencies = [
  "ahash",
  "annotate-snippets",
@@ -2694,7 +2694,7 @@ dependencies = [
  "granit-parser",
  "nohash-hasher",
  "num-traits",
- "serde",
+ "serde_core",
  "smallvec",
  "zmij",
 ]
@@ -2857,7 +2857,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a766e1110788c36f4fa1c2b71b387a7815aa65f88ce0229841826633d93723e"
 dependencies = [
  "libc",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2885,7 +2885,7 @@ dependencies = [
  "cfg-if",
  "libc",
  "psm",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3018,7 +3018,7 @@ dependencies = [
  "getrandom 0.4.2",
  "once_cell",
  "rustix",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3028,7 +3028,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "230a1b821ccbd75b185820a1f1ff7b14d21da1e442e22c0863ea5f08771a8874"
 dependencies = [
  "rustix",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -3649,7 +3649,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index de0923c9d..51d0bcc27 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -84,7 +84,7 @@ serde_json = { version = "1.0.132", features = [
   "unbounded_depth",
 ] }
 serde_stacker = { version = "0.1.12" }
-serde-saphyr = { version = "0.0.27", default-features = false, features = [
+serde-saphyr = { version = "0.0.28", default-features = false, features = [
   "deserialize",
   "serialize",
 ] }
diff --git a/crates/prek/src/yaml.rs b/crates/prek/src/yaml.rs
index 62489da4b..de4ea772f 100644
--- a/crates/prek/src/yaml.rs
+++ b/crates/prek/src/yaml.rs
@@ -4,42 +4,20 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use std::fmt::Write;
+use serde_saphyr::{DoubleQuoted, SingleQuoted};
 
 /// Serialize a YAML scalar while preserving the caller's quote style.
 pub(crate) fn serialize_yaml_scalar(value: &str, quote: &str) -> anyhow::Result<String> {
-    match quote {
-        "'" => Ok(format!("'{}'", escape_single_quoted(value))),
-        "\"" => Ok(format!("\"{}\"", escape_double_quoted(value))),
-        _ => {
-            let rendered = serde_saphyr::to_string(&value)?;
-            Ok(rendered.trim_end_matches('\n').to_owned())
-        }
-    }
-}
-
-/// YAML single-quoted strings escape a single quote by doubling it.
-fn escape_single_quoted(value: &str) -> String {
-    value.replace('\'', "''")
-}
+    let mut rendered = match quote {
+        "'" => serde_saphyr::to_string(&SingleQuoted(value))?,
+        "\"" => serde_saphyr::to_string(&DoubleQuoted(value))?,
+        _ => serde_saphyr::to_string(&value)?,
+    };
 
-/// YAML double-quoted strings use backslash escapes for control characters.
-fn escape_double_quoted(value: &str) -> String {
-    let mut escaped = String::with_capacity(value.len());
-    for ch in value.chars() {
-        match ch {
-            '\\' => escaped.push_str("\\\\"),
-            '"' => escaped.push_str("\\\""),
-            '\t' => escaped.push_str("\\t"),
-            '\n' => escaped.push_str("\\n"),
-            '\r' => escaped.push_str("\\r"),
-            c if c.is_control() => {
-                let _ = write!(escaped, "\\u{:04X}", c as u32);
-            }
-            c => escaped.push(c),
-        }
+    if rendered.ends_with('\n') {
+        rendered.pop();
     }
-    escaped
+    Ok(rendered)
 }
 
 #[cfg(test)]