diff --git a/storage/appengine/app.yaml b/storage/appengine/app.yaml
index ddab39d..ebea554 100644
--- a/storage/appengine/app.yaml
+++ b/storage/appengine/app.yaml
@@ -1,5 +1,6 @@
-runtime: go111
+runtime: go113
 service: perfdata
+instance_class: F4_HIGHMEM
 
 handlers:
   - url: /_ah/remote_api