diff --git a/.github/workflows/deploy-preview.yml b/.github/workflows/deploy-preview.yml
index adca32dc0..908b18d38 100644
--- a/.github/workflows/deploy-preview.yml
+++ b/.github/workflows/deploy-preview.yml
@@ -2,6 +2,10 @@ name: deploy-docs-preview
 
 on:
   pull_request_target:
+    paths:
+      - 'docSite/**'
+    branches:
+      - 'main'
   workflow_dispatch:
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel