diff --git a/.github/workflows/link-check.yml b/.github/workflows/link-check.yml
index 5bef6099..16d1c192 100644
--- a/.github/workflows/link-check.yml
+++ b/.github/workflows/link-check.yml
@@ -5,7 +5,7 @@ on:
     branches: [main, master]
   push:
     branches:
-      - main
+      # (empty; removed branch filter to run on all PRs)
   workflow_dispatch:
 
 jobs: