diff --git a/.github/workflows/pr_check.yml b/.github/workflows/pr_check.yml
index 6da5131..601152c 100644
--- a/.github/workflows/pr_check.yml
+++ b/.github/workflows/pr_check.yml
@@ -16,6 +16,9 @@ jobs:
     name: Analyze & test
     runs-on: macos-14
     timeout-minutes: 10
+    env:
+      EMPTY_CONSTANTS: Y29uc3QgU3RyaW5nIGlhcFNlcnZlclVybCA9ICcnOwpjb25zdCBTdHJpbmcgaXNzdWVzUmVwb3J0VXJsID0gJyc7CmNvbnN0IFN0cmluZyBzb3VyY2VDb2RlVXJsID0gJyc7CmNvbnN0IFN0cmluZyBjb250YWN0RW1haWwgPSAnJzsK
+      EMPTY_FIREBASE_OPTIONS: Ly8gaWdub3JlX2Zvcl9maWxlOiB0eXBlPWxpbnQKaW1wb3J0ICdwYWNrYWdlOmZpcmViYXNlX2NvcmUvZmlyZWJhc2VfY29yZS5kYXJ0JyBzaG93IEZpcmViYXNlT3B0aW9uczsKY2xhc3MgRGVmYXVsdEZpcmViYXNlT3B0aW9ucyB7c3RhdGljIEZpcmViYXNlT3B0aW9ucyBnZXQgY3VycmVudFBsYXRmb3JtID0+RmlyZWJhc2VPcHRpb25zKGFwaUtleTogJycsIGFwcElkOiAnJywgbWVzc2FnaW5nU2VuZGVySWQ6ICcnLCBwcm9qZWN0SWQ6ICcnKTt9Cg==
     steps:
       - uses: 8BitJonny/gh-get-current-pr@2.2.0
         id: PR
@@ -37,9 +40,12 @@ jobs:
         run: bash ./.github/scripts/stub_iap.sh
 
       - name: Restore secrets
+        env:
+          CONSTANTS: ${{ steps.fetch-iap.conclusion == 'success' && secrets.CONSTANTS || env.EMPTY_CONSTANTS }}
+          FIREBASE_OPTIONS: ${{ steps.fetch-iap.conclusion == 'success' && secrets.FIREBASE_OPTIONS || env.EMPTY_FIREBASE_OPTIONS }}
         run: |
-          bash .github/scripts/restore_from_base64.sh "${{ secrets.CONSTANTS }}" "lib/constants.dart"
-          bash .github/scripts/restore_from_base64.sh "${{ secrets.FIREBASE_OPTIONS }}" "lib/firebase_options.dart"
+          bash .github/scripts/restore_from_base64.sh "${{ env.CONSTANTS }}" "lib/constants.dart"
+          bash .github/scripts/restore_from_base64.sh "${{ env.FIREBASE_OPTIONS }}" "lib/firebase_options.dart"
 
       - uses: subosito/flutter-action@v2
         with: