diff --git a/.github/workflows/staging-undeploy-pr.yml b/.github/workflows/staging-undeploy-pr.yml
index 4962400d25..9e1b2adeeb 100644
--- a/.github/workflows/staging-undeploy-pr.yml
+++ b/.github/workflows/staging-undeploy-pr.yml
@@ -12,6 +12,7 @@ on:
 permissions:
   contents: read
   deployments: write
+  pull-requests: write
 
 # This prevents one Undeploy workflow run from interrupting another
 concurrency: