diff --git a/.env b/.env
index cf3fe31..5bc4792 100644
--- a/.env
+++ b/.env
@@ -1,4 +1,5 @@
 hostname=gitlab.zziyu.cn
 external_url=https://gitlab.zziyu.cn
 email=Zengtudor@outlook.com
-gitlab_root=/root/gitlab
\ No newline at end of file
+gitlab_root=/root/gitlab
+mem_limit=2048m
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index db71422..79fe065 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,6 +4,7 @@ services:
       image: 'twang2218/gitlab-ce-zh:11.1.4'
       restart: unless-stopped
       hostname: $hostname
+      mem_limit: $mem_limit
       environment:
         TZ: 'Asia/Shanghai'
         GITLAB_OMNIBUS_CONFIG: |