diff --git a/frontend/.github/workflows/build_app_ios.yaml b/frontend/.github/workflows/build_app_ios.yaml
index 4f35c33..4ed3707 100644
--- a/frontend/.github/workflows/build_app_ios.yaml
+++ b/frontend/.github/workflows/build_app_ios.yaml
@@ -8,7 +8,7 @@ jobs:
     runs-on: macos-latest
     env:
       # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
-      BUNDLE_GEMFILE: ios/Gemfile
+      BUNDLE_GEMFILE: ${{ github.workspace }}/ios/Gemfile
     steps:
       - uses: actions/checkout@v4