diff --git a/.github/workflows/clear_flutter_cache.yml b/.github/workflows/clear_flutter_cache.yml
index 66ee6c7b..23ba0488 100644
--- a/.github/workflows/clear_flutter_cache.yml
+++ b/.github/workflows/clear_flutter_cache.yml
@@ -8,15 +8,12 @@ jobs:
     name: Clear Cache
     runs-on: ubuntu-latest
     steps:
-      - name: generate Unique Key
-        run: echo CACHE_KEY=key-$(date +%s) >> $GITHUB_ENV
-
       - name: Install Flutter
         uses: subosito/flutter-action@v2
         with:
           channel: beta
           cache: true
-          cache-key: ${{ env.CACHE_KEY }}
+          cache-key: ${{ github.sha }}
 
       - name: Flutter Doctor
         working-directory: ${{ github.workspace }}
diff --git a/.github/workflows/generate_files.yml b/.github/workflows/generate_files.yml
index 10f4cb03..66b00e35 100644
--- a/.github/workflows/generate_files.yml
+++ b/.github/workflows/generate_files.yml
@@ -22,6 +22,7 @@ jobs:
         with:
           channel: beta
           cache: true
+          cache-key: ${{ github.sha }}
 
       - name: Generate
         working-directory: ${{ github.workspace }}
diff --git a/.github/workflows/release_android.yml b/.github/workflows/release_android.yml
index d534324f..b2aa7803 100644
--- a/.github/workflows/release_android.yml
+++ b/.github/workflows/release_android.yml
@@ -67,6 +67,7 @@ jobs:
         with:
           channel: beta
           cache: true
+          cache-key: ${{ github.sha }}
 
       - name: Setup Flutter
         working-directory: ${{ github.workspace }}
diff --git a/.github/workflows/release_ios.yml b/.github/workflows/release_ios.yml
index bf99e9b0..c5becdfa 100644
--- a/.github/workflows/release_ios.yml
+++ b/.github/workflows/release_ios.yml
@@ -85,6 +85,7 @@ jobs:
         with:
           channel: beta
           cache: true
+          cache-key: ${{ github.sha }}
 
       - name: Setup Flutter
         working-directory: ${{ github.workspace }}
diff --git a/.github/workflows/release_macos.yml b/.github/workflows/release_macos.yml
index d388e868..23a97842 100644
--- a/.github/workflows/release_macos.yml
+++ b/.github/workflows/release_macos.yml
@@ -85,6 +85,7 @@ jobs:
         with:
           channel: beta
           cache: true
+          cache-key: ${{ github.sha }}
 
       - name: Setup Flutter
         working-directory: ${{ github.workspace }}
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 4adaa389..2b110e83 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -22,6 +22,7 @@ jobs:
         with:
           channel: beta
           cache: true
+          cache-key: ${{ github.sha }}
 
       - name: Setup Flutter
         working-directory: ${{ github.workspace }}