diff --git a/roles/crowd_config/defaults/main.yml b/roles/crowd_config/defaults/main.yml
index 3de162a..79c3143 100644
--- a/roles/crowd_config/defaults/main.yml
+++ b/roles/crowd_config/defaults/main.yml
@@ -1,6 +1,6 @@
 ---
 
-atl_jvm_heap: "2048m"
+atl_jvm_heap: "512m"
 
 atl_catalina_opts: ""
 atl_catalina_opts_extra: >-