diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4d1d245..d3ed5a4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -2,6 +2,7 @@ name: Compile PDFs
 
 on:
   push: {}
+  pull_request: {}
 
 jobs:
   build: