diff --git a/.github/workflows/check_pr_source.yml b/.github/workflows/check_pr_source.yml
index 5b354f6f..82301983 100644
--- a/.github/workflows/check_pr_source.yml
+++ b/.github/workflows/check_pr_source.yml
@@ -2,6 +2,7 @@ name: Enforce test-staging → master
 
 on:
   pull_request:
+    types: [opened, synchronize, reopened, edited]
     branches:
       - master
       - test-staging