diff --git a/crates/uv-pypi-types/src/simple_json.rs b/crates/uv-pypi-types/src/simple_json.rs
index 756eb6144..938426fcd 100644
--- a/crates/uv-pypi-types/src/simple_json.rs
+++ b/crates/uv-pypi-types/src/simple_json.rs
@@ -81,8 +81,8 @@ impl<'de> Deserialize<'de> for PypiFile {
                 let mut url = None;
                 let mut yanked = None;
 
-                while let Some(key) = access.next_key::<&str>()? {
-                    match key {
+                while let Some(key) = access.next_key::<Cow<'_, str>>()? {
+                    match &*key {
                         "core-metadata" | "dist-info-metadata" | "data-dist-info-metadata" => {
                             if core_metadata.is_none() {
                                 core_metadata = access.next_value()?;
@@ -181,8 +181,8 @@ impl<'de> Deserialize<'de> for PyxFile {
                 let mut yanked = None;
                 let mut zstd = None;
 
-                while let Some(key) = access.next_key::<&str>()? {
-                    match key {
+                while let Some(key) = access.next_key::<Cow<'_, str>>()? {
+                    match &*key {
                         "core-metadata" | "dist-info-metadata" | "data-dist-info-metadata" => {
                             if core_metadata.is_none() {
                                 core_metadata = access.next_value()?;