diff --git a/aptly/server/mirror/ubuntu/xenial/mcp/apt_mk.yml b/aptly/server/mirror/ubuntu/xenial/mcp/apt_mk/init.yml
similarity index 100%
rename from aptly/server/mirror/ubuntu/xenial/mcp/apt_mk.yml
rename to aptly/server/mirror/ubuntu/xenial/mcp/apt_mk/init.yml
diff --git a/aptly/server/mirror/ubuntu/xenial/mcp/apt_mk/stable.yml b/aptly/server/mirror/ubuntu/xenial/mcp/apt_mk/stable.yml
new file mode 100644
index 0000000..56f8b08
--- /dev/null
+++ b/aptly/server/mirror/ubuntu/xenial/mcp/apt_mk/stable.yml
@@ -0,0 +1,5 @@
+classes:
+- system.aptly.server.mirror.ubuntu.xenial.mcp.apt_mk
+parameters:
+  _param:
+    apt_mk_version: stable
diff --git a/aptly/server/mirror/ubuntu/xenial/mcp/apt_mk/testing.yml b/aptly/server/mirror/ubuntu/xenial/mcp/apt_mk/testing.yml
new file mode 100644
index 0000000..e5b0bd2
--- /dev/null
+++ b/aptly/server/mirror/ubuntu/xenial/mcp/apt_mk/testing.yml
@@ -0,0 +1,5 @@
+classes:
+- system.aptly.server.mirror.ubuntu.xenial.mcp.apt_mk
+parameters:
+  _param:
+    apt_mk_version: testing