diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 71341cc2c..f56e49599 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -21,6 +21,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Brew bundle
         run:
@@ -42,4 +44,4 @@ jobs:
         run: bundle exec fastlane unit_tests
       
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
\ No newline at end of file
+        uses: codecov/codecov-action@v3