diff --git a/.github/workflows/build-pdf.yml b/.github/workflows/build-pdf.yml
index 772d818..4969d24 100644
--- a/.github/workflows/build-pdf.yml
+++ b/.github/workflows/build-pdf.yml
@@ -1,5 +1,5 @@
 name: Build template
-on: push
+on: [push, pull_request]
 
 jobs:
   build-template: