diff --git a/tasks/main.yml b/tasks/main.yml
index 1bbf41d..4c10378 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -10,8 +10,11 @@
     var: pkgs
     verbosity: 1
 
-- name: install apt-transport-https
-  apt: pkg=apt-transport-https
+- name: install helper tools
+  apt:
+    pkg:
+    - apt-transport-https
+    - gnupg
 
 - name: setup apt proxy
   template: