Modify access rules
diff --git a/groups b/groups
index 73c2613..accffbb 100644
--- a/groups
+++ b/groups
@@ -1,3 +1,4 @@
 # UUID                                  	Group Name
 #
 global:Anonymous-Users                  	Anonymous Users
+global:Registered-Users                 	Registered Users
diff --git a/project.config b/project.config
index 2b11328..4b1db33 100644
--- a/project.config
+++ b/project.config
@@ -5,3 +5,6 @@
 	requireContributorAgreement = true
 [access "refs/*"]
 	read = group Anonymous Users
+[access "refs/for/refs/heads/*"]
+	push = group Registered Users
+	pushMerge = group Registered Users