diff --git a/molecule/ec2-centos-7/playbook.yml b/molecule/ec2-centos-7/playbook.yml
index 90b9dcb..12fc62a 100644
--- a/molecule/ec2-centos-7/playbook.yml
+++ b/molecule/ec2-centos-7/playbook.yml
@@ -1,6 +1,10 @@
 ---
 - name: Converge
-  hosts: all
+  hosts:
+  vars:
+    mongodb_packages_extra:
+      - epel-release
+
   roles:
     - role: xoxys.mongodb
     - role: xoxys.unifi