diff --git a/.github/workflows/preview.yml b/.github/workflows/preview.yml
index a1030af..f1acff6 100644
--- a/.github/workflows/preview.yml
+++ b/.github/workflows/preview.yml
@@ -15,6 +15,8 @@ jobs:
 
   preview:
     uses: ./.github/workflows/wc-deploy-cloudflare-pages.yml
+    needs: changed
+    if: needs.changed.outputs.docs == 'true'
     with:
       branch: 'preview'
       gh-app-id: ${{ vars.BOT_APP_ID }}