diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 01d9db83..8da3bc24 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -8,7 +8,7 @@ on:
       - master
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: chimera-third-medium
     steps:
       - uses: actions/checkout@v2
       - name: Setup Node