diff --git a/config.pbtxt b/config.pbtxt
index f1eb4e3..a59ed64 100644
--- a/config.pbtxt
+++ b/config.pbtxt
@@ -123,10 +123,10 @@ parameters: [
   }
 ]
 
-#instance_group [
-#  {
-#    kind: KIND_CPU
-#    count: 77
-#  }
-#]
+instance_group [
+  {
+    kind: KIND_CPU
+    count: 77
+  }
+]