diff --git a/.github/workflows/appcast.yml b/.github/workflows/appcast.yml
index ebdb60e..247ac7a 100644
--- a/.github/workflows/appcast.yml
+++ b/.github/workflows/appcast.yml
@@ -9,9 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout 🛎
-      uses: actions/checkout@v2
+      uses: actions/checkout@v2.3.4
       with:
-        # If you're using actions/checkout@v2 you must set persist-credentials to false in most cases for the deployment to work correctly.
+        # If you're using actions/checkout@v2.3.4 you must set persist-credentials to false in most cases for the deployment to work correctly.
         persist-credentials: false
 
     - name: Cache 📦