diff --git a/crates/ruff_cache/src/cache_key.rs b/crates/ruff_cache/src/cache_key.rs
index 1208c40100..de66961dce 100644
--- a/crates/ruff_cache/src/cache_key.rs
+++ b/crates/ruff_cache/src/cache_key.rs
@@ -350,7 +350,9 @@ impl<K: CacheKey + Ord, V: CacheKey> CacheKey for BTreeMap<K, V> {
 impl CacheKey for Path {
     #[inline]
     fn cache_key(&self, state: &mut CacheKeyHasher) {
-        self.hash(&mut *state);
+        for component in self.components() {
+            component.hash(&mut *state);
+        }
     }
 }