diff --git a/rabbitmq/server/cluster.yml b/rabbitmq/server/cluster.yml
index 2971795..68d7eba 100644
--- a/rabbitmq/server/cluster.yml
+++ b/rabbitmq/server/cluster.yml
@@ -3,3 +3,7 @@
 - service.keepalived.cluster.single
 - service.haproxy.proxy.single
 - system.rabbitmq.upgrade
+parameters:
+  rabbitmq:
+    server:
+      ulimit: 24576
\ No newline at end of file
diff --git a/rabbitmq/server/single.yml b/rabbitmq/server/single.yml
index 9982957..4d2785d 100644
--- a/rabbitmq/server/single.yml
+++ b/rabbitmq/server/single.yml
@@ -1,3 +1,7 @@
 classes:
 - service.rabbitmq.server.single
 - system.rabbitmq.upgrade
+parameters:
+  rabbitmq:
+    server:
+      ulimit: 24576
\ No newline at end of file