diff --git a/.github/workflows/vendor-gems.yml b/.github/workflows/vendor-gems.yml
index 81c3b9b892..2e3fef6b15 100644
--- a/.github/workflows/vendor-gems.yml
+++ b/.github/workflows/vendor-gems.yml
@@ -1,7 +1,6 @@
 name: Vendor Gems
 
 on:
-  pull_request_target:
   workflow_dispatch:
     inputs:
       pull_request: