diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 182d250..35771a6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,7 +31,7 @@ on:
         default: "2s"
 jobs:
   benchmark:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
     permissions:
       contents: read