diff --git a/crates/uv/src/commands/project/add.rs b/crates/uv/src/commands/project/add.rs
index ae20b31d4..bd3b49a3f 100644
--- a/crates/uv/src/commands/project/add.rs
+++ b/crates/uv/src/commands/project/add.rs
@@ -853,6 +853,7 @@ async fn lock_and_sync(
         Box::new(DefaultResolveLogger),
         concurrency,
         cache,
+        &WorkspaceCache::default(),
         printer,
         preview,
     )
@@ -974,6 +975,7 @@ async fn lock_and_sync(
                 Box::new(SummaryResolveLogger),
                 concurrency,
                 cache,
+                &WorkspaceCache::default(),
                 printer,
                 preview,
             )
@@ -1021,6 +1023,7 @@ async fn lock_and_sync(
         installer_metadata,
         concurrency,
         cache,
+        WorkspaceCache::default(),
         DryRun::Disabled,
         printer,
         preview,
diff --git a/crates/uv/src/commands/project/export.rs b/crates/uv/src/commands/project/export.rs
index 88a847d04..c14bfd904 100644
--- a/crates/uv/src/commands/project/export.rs
+++ b/crates/uv/src/commands/project/export.rs
@@ -193,6 +193,7 @@ pub(crate) async fn export(
         Box::new(DefaultResolveLogger),
         concurrency,
         cache,
+        &workspace_cache,
         printer,
         preview,
     )
diff --git a/crates/uv/src/commands/project/lock.rs b/crates/uv/src/commands/project/lock.rs
index 97ee01767..2bcb68eb3 100644
--- a/crates/uv/src/commands/project/lock.rs
+++ b/crates/uv/src/commands/project/lock.rs
@@ -199,6 +199,7 @@ pub(crate) async fn lock(
         Box::new(DefaultResolveLogger),
         concurrency,
         cache,
+        &workspace_cache,
         printer,
         preview,
     )
@@ -263,6 +264,7 @@ pub(super) struct LockOperation<'env> {
     logger: Box<dyn ResolveLogger>,
     concurrency: Concurrency,
     cache: &'env Cache,
+    workspace_cache: &'env WorkspaceCache,
     printer: Printer,
     preview: PreviewMode,
 }
@@ -277,6 +279,7 @@ impl<'env> LockOperation<'env> {
         logger: Box<dyn ResolveLogger>,
         concurrency: Concurrency,
         cache: &'env Cache,
+        workspace_cache: &'env WorkspaceCache,
         printer: Printer,
         preview: PreviewMode,
     ) -> Self {
@@ -289,6 +292,7 @@ impl<'env> LockOperation<'env> {
             logger,
             concurrency,
             cache,
+            workspace_cache,
             printer,
             preview,
         }
@@ -334,6 +338,7 @@ impl<'env> LockOperation<'env> {
                     self.logger,
                     self.concurrency,
                     self.cache,
+                    self.workspace_cache,
                     self.printer,
                     self.preview,
                 )
@@ -372,6 +377,7 @@ impl<'env> LockOperation<'env> {
                     self.logger,
                     self.concurrency,
                     self.cache,
+                    self.workspace_cache,
                     self.printer,
                     self.preview,
                 )
@@ -402,6 +408,7 @@ async fn do_lock(
     logger: Box<dyn ResolveLogger>,
     concurrency: Concurrency,
     cache: &Cache,
+    workspace_cache: &WorkspaceCache,
     printer: Printer,
     preview: PreviewMode,
 ) -> Result<LockResult, ProjectError> {
@@ -654,8 +661,6 @@ async fn do_lock(
         FlatIndex::from_entries(entries, None, &hasher, build_options)
     };
 
-    let workspace_cache = WorkspaceCache::default();
-
     // Create a build dispatch.
     let build_dispatch = BuildDispatch::new(
         &client,
@@ -674,7 +679,7 @@ async fn do_lock(
         &build_hasher,
         *exclude_newer,
         *sources,
-        workspace_cache,
+        workspace_cache.clone(),
         concurrency,
         preview,
     );
diff --git a/crates/uv/src/commands/project/remove.rs b/crates/uv/src/commands/project/remove.rs
index 7fd02277e..29b5f0bc0 100644
--- a/crates/uv/src/commands/project/remove.rs
+++ b/crates/uv/src/commands/project/remove.rs
@@ -302,6 +302,7 @@ pub(crate) async fn remove(
         Box::new(DefaultResolveLogger),
         concurrency,
         cache,
+        &WorkspaceCache::default(),
         printer,
         preview,
     )
@@ -357,6 +358,7 @@ pub(crate) async fn remove(
         installer_metadata,
         concurrency,
         cache,
+        WorkspaceCache::default(),
         DryRun::Disabled,
         printer,
         preview,
diff --git a/crates/uv/src/commands/project/run.rs b/crates/uv/src/commands/project/run.rs
index ee3caeafa..6ece28eaf 100644
--- a/crates/uv/src/commands/project/run.rs
+++ b/crates/uv/src/commands/project/run.rs
@@ -264,6 +264,7 @@ hint: If you are running a script with `{}` in the shebang, you may need to incl
                 },
                 concurrency,
                 cache,
+                &workspace_cache,
                 printer,
                 preview,
             )
@@ -309,6 +310,7 @@ hint: If you are running a script with `{}` in the shebang, you may need to incl
                 installer_metadata,
                 concurrency,
                 cache,
+                workspace_cache.clone(),
                 DryRun::Disabled,
                 printer,
                 preview,
@@ -407,7 +409,7 @@ hint: If you are running a script with `{}` in the shebang, you may need to incl
                     installer_metadata,
                     concurrency,
                     cache,
-                    workspace_cache,
+                    workspace_cache.clone(),
                     DryRun::Disabled,
                     printer,
                     preview,
@@ -465,7 +467,6 @@ hint: If you are running a script with `{}` in the shebang, you may need to incl
     };
 
     // Discover and sync the base environment.
-    let workspace_cache = WorkspaceCache::default();
     let temp_dir;
     let base_interpreter = if let Some(script_interpreter) = script_interpreter {
         // If we found a PEP 723 script and the user provided a project-only setting, warn.
@@ -721,6 +722,7 @@ hint: If you are running a script with `{}` in the shebang, you may need to incl
                     },
                     concurrency,
                     cache,
+                    &workspace_cache,
                     printer,
                     preview,
                 )
@@ -807,6 +809,7 @@ hint: If you are running a script with `{}` in the shebang, you may need to incl
                     installer_metadata,
                     concurrency,
                     cache,
+                    workspace_cache.clone(),
                     DryRun::Disabled,
                     printer,
                     preview,
diff --git a/crates/uv/src/commands/project/sync.rs b/crates/uv/src/commands/project/sync.rs
index f1a73b8c8..19848ee02 100644
--- a/crates/uv/src/commands/project/sync.rs
+++ b/crates/uv/src/commands/project/sync.rs
@@ -324,7 +324,7 @@ pub(crate) async fn sync(
                 installer_metadata,
                 concurrency,
                 cache,
-                workspace_cache,
+                workspace_cache.clone(),
                 dry_run,
                 printer,
                 preview,
@@ -371,6 +371,7 @@ pub(crate) async fn sync(
         Box::new(DefaultResolveLogger),
         concurrency,
         cache,
+        &workspace_cache,
         printer,
         preview,
     )
@@ -452,6 +453,7 @@ pub(crate) async fn sync(
         installer_metadata,
         concurrency,
         cache,
+        workspace_cache,
         dry_run,
         printer,
         preview,
@@ -587,6 +589,7 @@ pub(super) async fn do_sync(
     installer_metadata: bool,
     concurrency: Concurrency,
     cache: &Cache,
+    workspace_cache: WorkspaceCache,
     dry_run: DryRun,
     printer: Printer,
     preview: PreviewMode,
@@ -748,7 +751,7 @@ pub(super) async fn do_sync(
         &build_hasher,
         exclude_newer,
         sources,
-        WorkspaceCache::default(),
+        workspace_cache.clone(),
         concurrency,
         preview,
     );
diff --git a/crates/uv/src/commands/project/tree.rs b/crates/uv/src/commands/project/tree.rs
index 2ff6ad98e..d401940d9 100644
--- a/crates/uv/src/commands/project/tree.rs
+++ b/crates/uv/src/commands/project/tree.rs
@@ -146,6 +146,7 @@ pub(crate) async fn tree(
         Box::new(DefaultResolveLogger),
         concurrency,
         cache,
+        &WorkspaceCache::default(),
         printer,
         preview,
     )
diff --git a/crates/uv/src/commands/project/version.rs b/crates/uv/src/commands/project/version.rs
index fdba41978..102d91af6 100644
--- a/crates/uv/src/commands/project/version.rs
+++ b/crates/uv/src/commands/project/version.rs
@@ -315,6 +315,7 @@ async fn print_frozen_version(
         Box::new(DefaultResolveLogger),
         concurrency,
         cache,
+        &WorkspaceCache::default(),
         printer,
         preview,
     )
@@ -443,6 +444,7 @@ async fn lock_and_sync(
 
     // Initialize any shared state.
     let state = UniversalState::default();
+    let workspace_cache = WorkspaceCache::default();
 
     // Lock and sync the environment, if necessary.
     let lock = match project::lock::LockOperation::new(
@@ -453,6 +455,7 @@ async fn lock_and_sync(
         Box::new(DefaultResolveLogger),
         concurrency,
         cache,
+        &workspace_cache,
         printer,
         preview,
     )
@@ -510,6 +513,7 @@ async fn lock_and_sync(
         installer_metadata,
         concurrency,
         cache,
+        workspace_cache,
         DryRun::Disabled,
         printer,
         preview,