diff --git a/docker-compose.yml b/docker-compose.yml
index b81aaae67f287098a42b7a4062cb4a1ab53153e7..cdf6c540dfaff4e4712a1fcfbd5ae53c593347c6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -76,6 +76,7 @@ services:
       timeout: 30s
     ports:
       - '2222:22'
+    shm_size: "512mb"
     volumes:
       - config:/etc/gitlab
       - data:/var/opt/gitlab