diff --git a/.github/workflows/check-vertexai-responses.yml b/.github/workflows/check-vertexai-responses.yml
index d2d356890d0..0ce811a6cc0 100644
--- a/.github/workflows/check-vertexai-responses.yml
+++ b/.github/workflows/check-vertexai-responses.yml
@@ -22,6 +22,7 @@ jobs:
     # Allow GITHUB_TOKEN to have write permissions
     permissions:
       contents: write
+      pull-requests: write
     steps:
       - uses: actions/checkout@v4
       - name: Clone mock responses