diff --git a/.github/workflows/preview.yml b/.github/workflows/preview.yml
index eda52ff..f58c31d 100644
--- a/.github/workflows/preview.yml
+++ b/.github/workflows/preview.yml
@@ -18,7 +18,7 @@ jobs:
         with:
           node-version: 14
       - name: Diplodoc build action
-        uses: v8tenko/diplodoc-playground@1.0
+        uses: v8tenko/diplodoc-playground@v1.0
         with:
           token: ${{ secrets.GH_TOKEN }}