diff --git a/contrib/init/upstart/docker.conf b/contrib/init/upstart/docker.conf
index 047f21c092..907a536c9c 100644
--- a/contrib/init/upstart/docker.conf
+++ b/contrib/init/upstart/docker.conf
@@ -2,6 +2,8 @@ description "Docker daemon"
 
 start on filesystem
 stop on runlevel [!2345]
+limit nofile 524288 1048576
+limit nproc 524288 1048576
 
 respawn