diff --git a/ansible/roles/docker/tasks/debian.yml b/ansible/roles/docker/tasks/debian.yml
index cb080f9..93299d5 100644
--- a/ansible/roles/docker/tasks/debian.yml
+++ b/ansible/roles/docker/tasks/debian.yml
@@ -1,3 +1,7 @@
+- name: Trust docker apt key
+  apt_key:
+    data={{ lookup('file', 'docker_apt_key.gpg') }}
+
 - name: Debian add Docker repository and update apt cache
   apt_repository:
     repo: deb https://apt.dockerproject.org/repo ubuntu-{{ debian_version }} main