diff --git a/.github/actions/cache-pip/action.yml b/.github/actions/cache-pip/action.yml
index 54b73ce..09985c5 100644
--- a/.github/actions/cache-pip/action.yml
+++ b/.github/actions/cache-pip/action.yml
@@ -22,7 +22,7 @@ runs:
   using: 'composite'
   steps:
     - name: Cache pip packages
-      uses: actions/cache@v4
+      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
       with:
         path: |
           ${{ inputs.cache-paths }}