diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3d9b05b..cbf1ad2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,14 +27,14 @@ jobs:
       run: echo Hello, 世界!
 
     - name: deploy to cluster
-      uses: wahyd4/kubectl-helm-action@master
+      uses: wahyd4/kubectl-helm-action@v0.1.1
       env:
         KUBE_CONFIG_DATA: ${{ secrets.KUBE_CONFIG_DATA }}
       with:
         args: kubectl apply -f media.yaml -n media
 
     - name: verify deployment
-      uses: wahyd4/kubectl-helm-action@master
+      uses: wahyd4/kubectl-helm-action@v0.1.1
       env:
         KUBE_CONFIG_DATA: ${{ secrets.KUBE_CONFIG_DATA }}
       with: