diff --git a/.github/workflows/mdbook_docs.yml b/.github/workflows/mdbook_docs.yml
index 0bc7480f..27a14823 100644
--- a/.github/workflows/mdbook_docs.yml
+++ b/.github/workflows/mdbook_docs.yml
@@ -24,3 +24,4 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_branch: gh-pages
           publish_dir: ./book
+          cname: devos.divnix.com