diff --git a/site-cookbooks/kosmos-ejabberd/templates/ejabberd.yml.erb b/site-cookbooks/kosmos-ejabberd/templates/ejabberd.yml.erb
index 87a84a0..4d44c30 100644
--- a/site-cookbooks/kosmos-ejabberd/templates/ejabberd.yml.erb
+++ b/site-cookbooks/kosmos-ejabberd/templates/ejabberd.yml.erb
@@ -106,8 +106,10 @@ auth_method: sql
 default_db: sql
 
 shaper:
-  normal: 1000
-  fast: 50000
+  normal:
+    rate: 3000
+    burst_size: 20000
+  fast: 100000
 
 max_fsm_queue: 10000