diff --git a/docker-compose.yml b/docker-compose.yml
index f2b012a..9d510f8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -44,7 +44,7 @@ services:
     
     postgres-aps:
         image: postgres:11.6
-        mem_limit: 256m
+        mem_limit: 128m
         environment:
             POSTGRES_DB: activiti
             POSTGRES_USER: alfresco