diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index de38d4da..5858b9d4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -46,7 +46,7 @@ jobs:
           ls -ltra $GITHUB_WORKSPACE/build/$SITE_DIR
           grep attachment $GITHUB_WORKSPACE/build/$SITE_DIR/$SUB_DIR/develop/api.html    
       - name: Upload generated site
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: site
           path: "${{ github.workspace }}/build/${{ env.SITE_DIR }}"
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 747efb2d..b2853f02 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -46,7 +46,7 @@ jobs:
           ls -ltra $GITHUB_WORKSPACE/build/$SITE_DIR
           grep attachment $GITHUB_WORKSPACE/build/$SITE_DIR/$SUB_DIR/develop/api.html
       - name: "Upload generated site"
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: site
           path: "${{ github.workspace }}/build/${{ env.SITE_DIR }}"