diff --git a/.github/workflows/host_docs.yml b/.github/workflows/host_docs.yml
index d5b7449a..15a2d2e2 100644
--- a/.github/workflows/host_docs.yml
+++ b/.github/workflows/host_docs.yml
@@ -4,6 +4,8 @@ on:
   # Triggers the workflow on push events but only for the main branch
   push:
     branches: [ main ]
+  pull_request:
+    branches: [ main ]
 
 jobs:
   # This job is called test_docs.