diff --git a/devstack/lib/docker b/devstack/lib/docker
index 114b541..e07050d 100644
--- a/devstack/lib/docker
+++ b/devstack/lib/docker
@@ -59,6 +59,7 @@ function install_docker {
     local arch
     arch=$(dpkg --print-architecture)
     if is_ubuntu; then
+        apt_get install apparmor
         if [[ ${dist_version} == 'trusty' ]]; then
             if uname -r | grep -q -- '-generic' && dpkg -l 'linux-image-*-generic' | grep -qE '^ii|^hi' 2>/dev/null; then
                 apt_get install linux-image-extra-$(uname -r) linux-image-extra-virtual