diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d01fe07df..caf8981db 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-16core
     steps:
     - uses: actions/checkout@v3
     - name: Run tests