diff --git a/.github/workflows/doc_publish.yml b/.github/workflows/doc_publish.yml
index 75cdb6b..1045533 100644
--- a/.github/workflows/doc_publish.yml
+++ b/.github/workflows/doc_publish.yml
@@ -54,7 +54,7 @@ jobs:
         with:
           python-version: 3.x
       - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
-      - uses: actions/cache@v4
+      - uses: actions/cache@v6
         with:
           key: mkdocs-material-${{ env.cache_id }}
           path: .cache