diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
index 743f410b..8b23f0c0 100644
--- a/.github/workflows/build-docker.yml
+++ b/.github/workflows/build-docker.yml
@@ -14,7 +14,7 @@ concurrency:
 jobs:
   build-n-push:
     permissions: write-all
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04-32core-karl
     steps:
       - uses: actions/checkout@v3