diff --git a/.github/workflows/pr-preview-deploy.yml b/.github/workflows/pr-preview-deploy.yml
index 126665850f1c39a3c3f42e1ac5d248dbf6b96adb..1b399264db23916177457b7e516267c012ef7029 100644
--- a/.github/workflows/pr-preview-deploy.yml
+++ b/.github/workflows/pr-preview-deploy.yml
@@ -32,7 +32,7 @@ jobs:
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       with:
-        name: pr-${{ github.event.client_payload.pull_request.number }}-misskey-dev
+        name: pr-${{ github.event.client_payload.pull_request.number }}-syuilo
         timeout: 15m
 
     # Update check run called "integration-fork"
diff --git a/.github/workflows/pr-preview-destroy.yml b/.github/workflows/pr-preview-destroy.yml
index fa872715daf1ad7f2732a1540d43acc5aa5b8258..c14c3db5c5b68ba00e43b26cfb3e1d70f269dc1d 100644
--- a/.github/workflows/pr-preview-destroy.yml
+++ b/.github/workflows/pr-preview-destroy.yml
@@ -18,4 +18,4 @@ jobs:
       - name: Destroy preview environment
         uses: okteto/destroy-preview@latest
         with:
-          name: pr-${{ github.event.number }}-misskey-dev
+          name: pr-${{ github.event.number }}-syuilo