diff --git a/README.md b/README.md
index e89f9e7..04e313e 100644
--- a/README.md
+++ b/README.md
@@ -250,6 +250,7 @@ changes. If you use relative paths, they are relative to the repository root.
 >   **/*constraints*.in
 >   **/pyproject.toml
 >   **/uv.lock
+>   **/*.py.lock
 > ```
 
 ```yaml
diff --git a/action.yml b/action.yml
index a390176..0a591c3 100644
--- a/action.yml
+++ b/action.yml
@@ -44,6 +44,7 @@ inputs:
       **/*constraints*.in
       **/pyproject.toml
       **/uv.lock
+      **/*.py.lock
   restore-cache:
     description: "Whether to restore the cache if found."
     default: "true"