diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 0da158abba..bb1982c216 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -7,6 +7,8 @@ on:
     # Only run on tagged releases to master
     tags:
       - 'v*'
+  pull_request:
+    branches: [ master ]
 
 # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
 permissions: