diff --git a/.github/workflows/appcast.yml b/.github/workflows/appcast.yml
index c4d37e9..58f9b3a 100644
--- a/.github/workflows/appcast.yml
+++ b/.github/workflows/appcast.yml
@@ -15,7 +15,7 @@ jobs:
         persist-credentials: false
 
     - name: Cache 📦
-      uses: actions/cache@v2
+      uses: actions/cache@v2.1.4
       with:
         path: AppCast/vendor/bundle
         key: ${{ runner.os }}-gems-v1.0-${{ hashFiles('AppCast/Gemfile') }}