diff --git a/config.pbtxt b/config.pbtxt
index fb2c2a2..184b679 100644
--- a/config.pbtxt
+++ b/config.pbtxt
@@ -26,6 +26,6 @@ output [
 instance_group [
   {
     kind: KIND_AUTO
-    count: 3
+    count: 20
   }
 ]