diff --git a/aur/action.yml b/aur/action.yml
index b9ea960..b966297 100644
--- a/aur/action.yml
+++ b/aur/action.yml
@@ -31,7 +31,7 @@ runs:
         args: build_aur_packages ${{ inputs.layer_config_file }}
     - name: Save aur cache
       if: steps.cache-aur-restore.outputs.cache-hit != 'true'
-      uses: actions/cache/save@v3
+      uses: actions/cache/save@v4
       with:
         path: aur
         key: aur-${{ github.repository }}-${{ steps.cache-aur-key.outputs.cache-aur-key }}