diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 58221e7..24f4b24 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,6 +9,7 @@ variables:
     value: "0"
 
 cache:
+  key: cache-$CI_COMMIT_REF_SLUG-$WINDOWS_PYTHON_PACKAGE_NAME
   paths:
     - .cache/pip
     - .venv/