diff --git a/.github/workflows/deploy_testflight.yml b/.github/workflows/deploy_testflight.yml
index 41a4aae..6c4adfe 100644
--- a/.github/workflows/deploy_testflight.yml
+++ b/.github/workflows/deploy_testflight.yml
@@ -14,7 +14,7 @@ on:
 
 jobs:
   beta:
-    runs-on: macos-latest
+    runs-on: macos-15
 
     steps:
       - name: Checkout code
@@ -93,12 +93,18 @@ jobs:
           PROFILE_NAME=$(security cms -D -i "$PP_PATH" | plutil -extract Name raw -)
           echo "PROVISIONING_PROFILE_SPECIFIER=$PROFILE_NAME" >> $GITHUB_ENV
 
-      - name: Prepare xcconfig
+      - name: Restore Common.xcconfig
+        env:
+          COMMON_XCCONFIG: ${{ secrets.COMMON_XCCONFIG }}
         run: |
+          set -euo pipefail
+          test -n "$COMMON_XCCONFIG"
           mkdir -p Projects/App/Resources
-          printf 'BASE_URL = ${{ vars.BASE_URL }}\nKAKAO_NATIVE_APP_KEY = ${{ secrets.KAKAO_NATIVE_APP_KEY }}\n' \
+          printf '%s' "$COMMON_XCCONFIG" | base64 --decode \
+            > Projects/App/Resources/Common.xcconfig || \
+          printf '%s' "$COMMON_XCCONFIG" | base64 -D \
             > Projects/App/Resources/Common.xcconfig
-          printf 'PROFILE_NAME = %s\n' "${PROVISIONING_PROFILE_SPECIFIER}" \
+          printf '\nPROFILE_NAME = %s\n' "${PROVISIONING_PROFILE_SPECIFIER}" \
             >> Projects/App/Resources/Common.xcconfig
 
       - name: Install Tuist dependencies