diff --git a/app.yaml b/app.yaml
index b1a1749..7218ecf 100644
--- a/app.yaml
+++ b/app.yaml
@@ -1,12 +1,9 @@
 runtime: nodejs10
 env: standard
-instance_class: F4_HIGHMEM
+instance_class: F4
 automatic_scaling:
   max_idle_instances: 2
   max_concurrent_requests: 40
-  target_cpu_utilization: 0.7
-# instance_class: B4_HIGHMEM
-# manual_scaling:
-#   instances: 10
+  target_cpu_utilization: 0.8
 env_variables:
   NODE_ENV: 'production'