diff --git a/.github/workflows/doc_build.yml b/.github/workflows/doc_build.yml
index 541683f..c499dfa 100644
--- a/.github/workflows/doc_build.yml
+++ b/.github/workflows/doc_build.yml
@@ -33,3 +33,4 @@ jobs:
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         publish_dir: ./docs/_build/html
+        cname: mipac.akarinext.org