diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 3f6f0b86..4bc4231c 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -2,7 +2,7 @@ name: Claude Code
 
 on:
   pull_request:
-    types: [opened, synchronize]
+    types: [opened]
   issue_comment:
     types: [created]
   pull_request_review_comment: