diff --git a/crates/uv-build-backend/src/source_dist.rs b/crates/uv-build-backend/src/source_dist.rs
index c547240ff9ec8..5e6e67f3f32fe 100644
--- a/crates/uv-build-backend/src/source_dist.rs
+++ b/crates/uv-build-backend/src/source_dist.rs
@@ -12,7 +12,6 @@ use std::io;
 use std::io::{BufReader, Cursor, Write};
 use std::path::{Component, Path, PathBuf};
 use tar::{EntryType, Header};
-use tempfile::NamedTempFile;
 use tracing::{debug, trace};
 use uv_distribution_filename::{SourceDistExtension, SourceDistFilename};
 use uv_fs::Simplified;
@@ -39,7 +38,7 @@ pub fn build_source_dist(
         fs_err::remove_file(&source_dist_path)?;
     }
 
-    let temp_file = NamedTempFile::new_in(source_dist_directory)?;
+    let temp_file = uv_fs::tempfile_in(source_dist_directory)?;
     let writer = TarGzWriter::new(temp_file.as_file(), &source_dist_path);
     write_source_dist(source_tree, writer, uv_version, show_warnings)?;
     temp_file
diff --git a/crates/uv-build-backend/src/wheel.rs b/crates/uv-build-backend/src/wheel.rs
index 254a686ce8fb4..a9ddd5967feca 100644
--- a/crates/uv-build-backend/src/wheel.rs
+++ b/crates/uv-build-backend/src/wheel.rs
@@ -7,7 +7,6 @@ use std::fmt::{Display, Formatter};
 use std::io::{BufReader, Read, Seek, Write};
 use std::path::{Component, Path, PathBuf};
 use std::{io, mem};
-use tempfile::NamedTempFile;
 use tracing::{debug, trace};
 use walkdir::WalkDir;
 use zip::{CompressionMethod, ZipWriter};
@@ -58,7 +57,7 @@ pub fn build_wheel(
         fs_err::remove_file(&wheel_path)?;
     }
 
-    let temp_file = NamedTempFile::new_in(wheel_dir)?;
+    let temp_file = uv_fs::tempfile_in(wheel_dir)?;
     let wheel_writer = ZipDirectoryWriter::new_wheel(temp_file.as_file());
 
     write_wheel(
@@ -319,7 +318,7 @@ pub fn build_editable(
         fs_err::remove_file(&wheel_path)?;
     }
 
-    let temp_file = NamedTempFile::new_in(wheel_dir)?;
+    let temp_file = uv_fs::tempfile_in(wheel_dir)?;
     let mut wheel_writer = ZipDirectoryWriter::new_wheel(temp_file.as_file());
 
     debug!("Adding pth file to {}", wheel_path.user_display());