diff --git a/samba.yaml b/samba.yaml
index 4a879f4..fe0edd4 100644
--- a/samba.yaml
+++ b/samba.yaml
@@ -11,8 +11,8 @@ data:
             bootstrap: f27
         requires:
             platform: f27
-            python2: master
-            python2-ecosystem: master
+            python2: 2.7
+            python2-ecosystem: f27
     references:
         community: https://docs.pagure.org/modularity/
         documentation: https://github.com/modularity-modules/samba
@@ -83,6 +83,10 @@ data:
                 - samba-libs
                 - samba-winbind
                 - samba-winbind-modules
+        domaincontroller:
+            description: Windows Domain Controller
+            rpms:
+                - samba-dc
     components:
         rpms:
             avahi: