diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c094368..05ab061 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,6 +40,8 @@ jobs:
         run: npm run build
         env:
           VITE_COMMIT: ${{ steps.hash.outputs.sha_short }}
+      - name: Set CNAME
+        run: echo "rabbit.syusui.net" >> ./dist/CNAME
       - name: Check license
         run: npm run checkLicense
       - name: Deploy