diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1e415af22..e514c025c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,7 +32,7 @@ jobs:
       run: unzip redaxo_main.zip -d .
 
     - name: phpdoc cache
-      uses: actions/cache@v1
+      uses: actions/cache@v4
       with:
         path: .phpdoc
         key: branch-${{ github.ref }}