diff --git a/.github/workflows/dependency_review.yml b/.github/workflows/dependency_review.yml
index 28f59d6..a62855d 100644
--- a/.github/workflows/dependency_review.yml
+++ b/.github/workflows/dependency_review.yml
@@ -24,7 +24,7 @@ jobs:
           GH_TOKEN: ${{ github.token }}
         run: |
           BASE_REF="${{ steps.dependency_review.with.base_ref || github.base_ref }}"
-          HEAD_REF="${{ steps.dependency_review.with.head_ref || github.pull_request.head_ref }}"
+          HEAD_REF="${{ steps.dependency_review.with.head_ref || github.head_ref }}"
           REPO="${{ github.repository }}"
           gh api \
             -H "Accept: application/vnd.github+json" \