diff --git a/defaults/main.yml b/defaults/main.yml
index ee676c3..351dabe 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -21,7 +21,7 @@ docker_compose_path: /usr/local/bin/docker-compose
 docker_repo_url: https://download.docker.com/linux
 
 # Used only for Debian/Ubuntu. Switch 'stable' to 'nightly' if needed.
-docker_apt_release_channel: stable
+docker_apt_release_channel: nightly
 docker_apt_arch: amd64
 docker_apt_repository: "deb [arch={{ docker_apt_arch }}] {{ docker_repo_url }}/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} {{ docker_apt_release_channel }}"
 docker_apt_ignore_key_error: true
@@ -34,7 +34,7 @@ docker_yum_repo_enable_test: '0'
 docker_yum_gpg_key: "{{ docker_repo_url }}/centos/gpg"
 
 # A list of users who will be added to the docker group.
-docker_users: []
+docker_users: [shawn]
 
 # Docker daemon options as a dict
 docker_daemon_options: {}