clean up bootstrap
diff --git a/gce-properties.yml b/gce-properties.yml
index 8a7fd4d..b694930 100644
--- a/gce-properties.yml
+++ b/gce-properties.yml
@@ -1,6 +1,6 @@
 ---
 credentials_file: ~/.apigee-secure/default-service-account.json
-machine_type: 'n1-standard-1'
+machine_type: 'n1-standard-4'
 image: 'centos-7'
 #image: 'centos-7-v20170918'
 #image: 'centos-7-v20160511'