diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a9bb809..04a3fad 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,7 +20,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: mirror-repository
-      uses: spyoungtech/mirror-action@master
+      uses: spyoungtech/mirror-action@v0.4.0
       with:
         REMOTE: git@gitlab.com:spyoungtech/mirror-action.git
         GIT_SSH_PRIVATE_KEY: ${{ secrets.GIT_SSH_KEY }}