diff --git a/.github/workflows/hugo.yml b/.github/workflows/hugo.yml
index 144b7c3f..c2172f4c 100644
--- a/.github/workflows/hugo.yml
+++ b/.github/workflows/hugo.yml
@@ -83,7 +83,7 @@ jobs:
           cp -a build/dokka/html docs/static/api/
 
       - name: set up cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ env.HUGO_CACHEDIR }}
           key: ${{ runner.os }}-hugomod-${{ hashFiles('**/go.sum') }}