diff --git a/.gitea/workflows/test-flight-cd.yaml b/.gitea/workflows/test-flight-cd.yaml
index fd22ac2f..e9098a17 100644
--- a/.gitea/workflows/test-flight-cd.yaml
+++ b/.gitea/workflows/test-flight-cd.yaml
@@ -11,12 +11,19 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       
+      - name: Install Apple WWDR G3 Certificate (Required for Code Signing)
+        run: |    
+          curl -O https://www.apple.com/certificateauthority/AppleWWDRCAG3.cer
+          sudo security add-trusted-cert -d -r trustRoot -k /Library/Keychains/System.keychain AppleWWDRCAG3.cer
+          rm AppleWWDRCAG3.cer    
+          security find-certificate -c "Apple Worldwide Developer Relations Certification Authority" -a /Library/Keychains/System.keychain | grep "G3"
+
       - name: Unlock login keychain
         run: |
           security unlock-keychain -p "$KEYCHAIN_PASSWORD" /Users/gitea_runner_ci/Library/Keychains/login.keychain-db
         env:
           KEYCHAIN_PASSWORD: EeChahboo9Ei
-
+          
       - name: Flutter build
         run: |
           flutter clean