diff --git a/.github/workflows/documentation-build.yml b/.github/workflows/documentation-build.yml
index df9299be9..990a25bc6 100644
--- a/.github/workflows/documentation-build.yml
+++ b/.github/workflows/documentation-build.yml
@@ -6,9 +6,13 @@ on:
       - '*'   # Only re-generate docs when a new tagged version is pushed
   pull_request:
     paths:
+      - '**.h'
+      - '/doc/doxygen/**'
+      - '/doc/doxygen-extra-pages/**'
+      - '/doc/doxygen-groups/**'
       - '.github/workflows/documentation-build.yml'
       - 'Doxyfile'
-      - 'doxygen_style.css'
+      - 'DoxygenLayout.xml'
   workflow_dispatch:
 
 env: