diff --git a/app.yaml b/app.yaml
index 667780d..b1a1749 100644
--- a/app.yaml
+++ b/app.yaml
@@ -1,12 +1,12 @@
 runtime: nodejs10
 env: standard
-# instance_class: F4_HIGHMEM
-# automatic_scaling:
-#   max_idle_instances: 2
-#   max_concurrent_requests: 40
-#   target_cpu_utilization: 0.7
-instance_class: B4_HIGHMEM
-manual_scaling:
-  instances: 10
+instance_class: F4_HIGHMEM
+automatic_scaling:
+  max_idle_instances: 2
+  max_concurrent_requests: 40
+  target_cpu_utilization: 0.7
+# instance_class: B4_HIGHMEM
+# manual_scaling:
+#   instances: 10
 env_variables:
   NODE_ENV: 'production'