diff --git a/inventory/group_vars/rabbitmq b/inventory/group_vars/rabbitmq
index bc5218294c..e33a616e4e 100644
--- a/inventory/group_vars/rabbitmq
+++ b/inventory/group_vars/rabbitmq
@@ -10,7 +10,7 @@ ipa_shell_groups:
   - sysadmin-messaging
 ipa_sudo_groups:
   - sysadmin-messaging
-mem_size: 4096
+mem_size: 8192
 primary_auth_source: ipa
 tcp_ports: [
   # https://www.rabbitmq.com/clustering.html#selinux-ports