diff --git a/.github/workflows/main-documentation.yaml b/.github/workflows/main-documentation.yaml
index 9a738f1..b6db2b2 100644
--- a/.github/workflows/main-documentation.yaml
+++ b/.github/workflows/main-documentation.yaml
@@ -3,8 +3,9 @@ name: Documentation Workflow
 # build the documentation whenever there are new commits on main
 on:
   push:
-    branches:
-      - main
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
 
   workflow_dispatch:
     # Alternative: only build for tags.