diff --git a/README.md b/README.md
index 7f02e5c..e287321 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ jobs:
     steps:
     - name: "CLA Assistant"
       if: (github.event.comment.body == 'recheckcla' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request'
-      uses: cla-assistant/github-action@master
+      uses: cla-assistant/github-action@v1.0.0
       env: 
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with: