diff --git a/docker-compose.yml b/docker-compose.yml
index 1e76d77..fe41368 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -35,6 +35,7 @@
 
     mysql-gitbucket:
       image: mariadb:10.3
+      mem_limit: 1g
       restart: always
       command: mysqld --skip-name-resolve --skip-host-cache --log-warnings=0
       healthcheck: