diff --git a/.github/workflows/validate-links.yml b/.github/workflows/validate-links.yml
index ea1c1d3..8d028e0 100644
--- a/.github/workflows/validate-links.yml
+++ b/.github/workflows/validate-links.yml
@@ -1,5 +1,5 @@
 name: CI
-on: [push]
+on: [push, pull_request]
 jobs:
   validate-links:
     runs-on: ubuntu-latest