diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1c91c67..bed417d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,13 @@ permissions:
 
 jobs:
   build:
-    if: github.event_name == 'workflow_dispatch' || (startsWith(github.head_ref, 'release-please--') && github.event.pull_request.head.repo.full_name == github.repository)
+    if: >
+      github.event_name == 'workflow_dispatch' ||
+      (
+        startsWith(github.head_ref, 'release-please--') &&
+        github.event.pull_request.head.repo.full_name == github.repository &&
+        github.event.pull_request.user.type == 'Bot'
+      )
     runs-on: ubuntu-latest
     steps:
       - uses: actions/create-github-app-token@v3