diff --git a/.cnb.yml b/.cnb.yml
index d0834b3..975ba67 100644
--- a/.cnb.yml
+++ b/.cnb.yml
@@ -114,7 +114,10 @@ $:
           options:
             key: cnb-build-arm64
 
-    - services:
+    - runner:
+        tags: cnb:arch:amd64
+        cpus: 2
+      services:
         - docker
       env:
         IMAGE_TAG: ${CNB_DOCKER_REGISTRY}/${CNB_REPO_SLUG_LOWERCASE}:latest