diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3de6f21..3894232 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ on:
   pull_request_target:
     types:
       - opened
-      - closed
+      - synchronize
       - reopened
 
 jobs: