diff --git a/defaults/main.yml b/defaults/main.yml
index 33b1653..4d8e295 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,5 +1,7 @@
 ---
 
+docker_channel: stable # one of: stable, test, edge, nightly
+
 docker_configure_ipv6: true
 
 #docker_auth_config:
diff --git a/tasks/main.yml b/tasks/main.yml
index b28b324..0b7abd4 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -12,7 +12,7 @@
 
 - name: Activate apt-repo
   apt_repository:
-    repo: 'deb https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable'
+    repo: 'deb https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} {{ docker_channel }}'
     state: present
 
 - name: Install docker