diff --git a/.github/workflows/lektor-check.yml b/.github/workflows/lektor-check.yml
index 188d90b..dabb5be 100644
--- a/.github/workflows/lektor-check.yml
+++ b/.github/workflows/lektor-check.yml
@@ -1,5 +1,5 @@
 name: lektor check
-on: [push]
+on: [push, pull_request]
 
 jobs:
   build: