diff --git a/.github/workflows/helm-release.yaml b/.github/workflows/helm-release.yaml
index ed0b88e5..d9770cff 100644
--- a/.github/workflows/helm-release.yaml
+++ b/.github/workflows/helm-release.yaml
@@ -50,7 +50,7 @@ jobs:
         with:
           version: v3.15.0
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4.1.7
         with:
           name: helm-charts
 
diff --git a/.github/workflows/mdbook.yaml b/.github/workflows/mdbook.yaml
index e8f60fae..f06d017e 100644
--- a/.github/workflows/mdbook.yaml
+++ b/.github/workflows/mdbook.yaml
@@ -26,7 +26,7 @@ jobs:
         ref: gh-pages
       # ignore helm chart index file and chart archive file.
     - run: ls | grep -v -E 'index.yaml|moco-.*\.tgz' | xargs rm -rf
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4.1.7
       with:
         name: book
     - run: ls -R