diff --git a/config/defaults.json b/config/defaults.json
index f948d25c..a1453e88 100644
--- a/config/defaults.json
+++ b/config/defaults.json
@@ -14,7 +14,7 @@
     "pods_per_job": 1,
     "ram_per_pod": 3,
     "cpu_per_pod": 2,
-    "machine_type": "e2-highcpu-8",
+    "machine_type": "e2-highcpu-16",
     "runner_scaling": "manual",
     "scale_down": 1,
     "arc_version": "v0.26.0",