diff --git a/README.md b/README.md
index 6a246a0..9e27130 100644
--- a/README.md
+++ b/README.md
@@ -494,7 +494,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: akhileshns/heroku-deploy@v3.7.8
+      - uses: akhileshns/heroku-deploy@v3.8.8-beta
         with:
           heroku_api_key: ${{secrets.HEROKU_API_KEY}}
           heroku_app_name: "YOUR APP's NAME"