diff --git a/aptly/server/mirror/debian/cassandra.yml b/aptly/server/mirror/debian/cassandra.yml
index 3d32e6a..846df4e 100644
--- a/aptly/server/mirror/debian/cassandra.yml
+++ b/aptly/server/mirror/debian/cassandra.yml
@@ -1,4 +1,6 @@
 parameters:
+  _param:
+    apt_mk_version: stable
   aptly:
     server:
       mirror:
@@ -14,5 +16,5 @@
           publisher:
             component: extra
             distributions:
-              - trusty/nightly
-              - xenial/nightly
+              - ubuntu-trusty/${_param:apt_mk_version}
+              - ubuntu-xenial/${_param:apt_mk_version}
diff --git a/aptly/server/mirror/debian/elasticsearch.yml b/aptly/server/mirror/debian/elasticsearch.yml
index 942b70a..ece60af 100644
--- a/aptly/server/mirror/debian/elasticsearch.yml
+++ b/aptly/server/mirror/debian/elasticsearch.yml
@@ -1,4 +1,6 @@
 parameters:
+  _param:
+    apt_mk_version: stable
   aptly:
     server:
       mirror:
@@ -12,8 +14,8 @@
           publisher:
             component: elastic
             distributions:
-              - trusty/nightly
-              - xenial/nightly
+              - trusty/${_param:apt_mk_version}
+              - xenial/${_param:apt_mk_version}
         kibana:
           source: http://packages.elasticsearch.org/kibana/4.4/debian
           distribution: stable
@@ -24,8 +26,8 @@
           publisher:
             component: elastic
             distributions:
-              - trusty/nightly
-              - xenial/nightly
+              - trusty/${_param:apt_mk_version}
+              - xenial/${_param:apt_mk_version}
         kibana-46:
           source: http://packages.elasticsearch.org/kibana/4.6/debian
           distribution: stable
@@ -36,8 +38,8 @@
           publisher:
             component: elastic
             distributions:
-              - trusty/nightly
-              - xenial/nightly
+              - trusty/${_param:apt_mk_version}
+              - xenial/${_param:apt_mk_version}
         elasticsearch-curator:
           source: http://packages.elastic.co/curator/4/debian
           distribution: stable
@@ -48,5 +50,5 @@
           publisher:
             component: elastic
             distributions:
-              - trusty/nightly
-              - xenial/nightly
+              - trusty/${_param:apt_mk_version}
+              - xenial/${_param:apt_mk_version}