diff --git a/.github/workflows/pr-preview-deploy.yml b/.github/workflows/pr-preview-deploy.yml
index 126665850..1b399264d 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 fa872715d..c14c3db5c 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