diff --git a/lib/config.py b/lib/config.py
index 986b03a4c303dd787adf4720a6b5bdfcaa781c19..29acbd16aa9cbda740fbab412b8bb42c3d5f1424 100644
--- a/lib/config.py
+++ b/lib/config.py
@@ -992,6 +992,7 @@ class ConfigWriter:
       constants.SS_MASTER_NODE: cluster.master_node,
       constants.SS_NODE_LIST: node_data,
       constants.SS_OFFLINE_NODES: off_data,
+      constants.SS_RELEASE_VERSION: constants.RELEASE_VERSION,
       }
 
   @locking.ssynchronized(_config_lock)
diff --git a/lib/constants.py b/lib/constants.py
index bbe29e4c5698266ef1a74cd2dbd1ca7d3f58ae48..ae16d26e6680a71d64fe6b02a7788c290988ed6f 100644
--- a/lib/constants.py
+++ b/lib/constants.py
@@ -414,6 +414,7 @@ SS_MASTER_NETDEV = "master_netdev"
 SS_MASTER_NODE = "master_node"
 SS_NODE_LIST = "node_list"
 SS_OFFLINE_NODES = "offline_nodes"
+SS_RELEASE_VERSION = "release_version"
 
 # cluster wide default parameters
 DEFAULT_ENABLED_HYPERVISOR = HT_XEN_PVM
diff --git a/lib/ssconf.py b/lib/ssconf.py
index 225f38c1893530ee5155fc5f4595fd5275f12723..f575d129f4795140ffbd9dc0fd69a6798a3fd1ba 100644
--- a/lib/ssconf.py
+++ b/lib/ssconf.py
@@ -133,6 +133,7 @@ class SimpleStore(object):
     constants.SS_MASTER_NODE,
     constants.SS_NODE_LIST,
     constants.SS_OFFLINE_NODES,
+    constants.SS_RELEASE_VERSION,
     )
   _MAX_SIZE = 131072