diff --git a/molecule/ec2-centos-7/playbook.yml b/molecule/ec2-centos-7/playbook.yml
index ddb1641..295b5ca 100644
--- a/molecule/ec2-centos-7/playbook.yml
+++ b/molecule/ec2-centos-7/playbook.yml
@@ -1,6 +1,10 @@
 ---
 - name: Converge
   hosts: all
+  vars:
+    mosquitto_packages_extra:
+      - epel-release
+    mosquitto_bind_address: "127.0.0.1"
 
   roles:
     - role: xoxys.mosquitto