diff --git a/nova/cells/rpcapi.py b/nova/cells/rpcapi.py
index 05dc373bc0a9..ae27aacc9314 100644
--- a/nova/cells/rpcapi.py
+++ b/nova/cells/rpcapi.py
@@ -118,6 +118,10 @@ class CellsAPI(object):
                  and instance_info_cache_update_at_top use instance objects
         * 1.36 - Added 'delete_type' parameter to terminate_instance()
         * 1.37 - Add get_keypair_at_top to fetch keypair from api cell
+
+        ... Liberty supports message version 1.37.  So, any changes to
+        existing methods in 1.x after that point should be done such that they
+        can handle the version_cap being set to 1.37.
     '''
 
     VERSION_ALIASES = {
@@ -126,6 +130,7 @@ class CellsAPI(object):
         'icehouse': '1.27',
         'juno': '1.29',
         'kilo': '1.34',
+        'liberty': '1.37',
     }
 
     def __init__(self):
diff --git a/nova/cert/rpcapi.py b/nova/cert/rpcapi.py
index aeda163559b4..2111bd5c1cbf 100644
--- a/nova/cert/rpcapi.py
+++ b/nova/cert/rpcapi.py
@@ -49,9 +49,11 @@ class CertAPI(object):
 
         2.0 - Major API rev for Icehouse
 
-        ... Icehouse, Juno and Kilo support message version 2.0.  So, any
-        changes to existing methods in 2.x after that point should be done such
-        that they can handle the version_cap being set to 2.0.
+        ... Icehouse, Juno, Kilo, and Liberty support message version
+        2.0.  So, any changes to existing methods in 2.x after that
+        point should be done such that they can handle the version_cap
+        being set to 2.0.
+
     '''
 
     VERSION_ALIASES = {
@@ -60,6 +62,7 @@ class CertAPI(object):
         'icehouse': '2.0',
         'juno': '2.0',
         'kilo': '2.0',
+        'liberty': '2.0',
     }
 
     def __init__(self):
diff --git a/nova/compute/rpcapi.py b/nova/compute/rpcapi.py
index 0168c7a11c50..1445b417b109 100644
--- a/nova/compute/rpcapi.py
+++ b/nova/compute/rpcapi.py
@@ -302,12 +302,17 @@ class ComputeAPI(object):
         * 4.4  - Make refresh_instance_security_rules send an instance object
         * 4.5  - Add migration, scheduler_node and limits arguments to
                  rebuild_instance()
+
+        ... Liberty supports messaging version 4.5. So, any changes to
+        existing methods in 4.x after that point should be done so that they
+        can handle the version_cap being set to 4.5
     '''
 
     VERSION_ALIASES = {
         'icehouse': '3.23',
         'juno': '3.35',
         'kilo': '4.0',
+        'liberty': '4.5',
     }
 
     def __init__(self):
diff --git a/nova/conductor/rpcapi.py b/nova/conductor/rpcapi.py
index 99d44a46d6dd..6dd32f3ac617 100644
--- a/nova/conductor/rpcapi.py
+++ b/nova/conductor/rpcapi.py
@@ -192,6 +192,9 @@ class ConductorAPI(object):
 
     * 3.0  - Drop backwards compatibility
 
+    ... Liberty supports message version 3.0.  So, any changes to
+    existing methods in 3.x after that point should be done such
+    that they can handle the version_cap being set to 3.0.
     """
 
     VERSION_ALIASES = {
@@ -200,6 +203,7 @@ class ConductorAPI(object):
         'icehouse': '2.0',
         'juno': '2.0',
         'kilo': '2.1',
+        'liberty': '3.0',
     }
 
     def __init__(self):
diff --git a/nova/console/rpcapi.py b/nova/console/rpcapi.py
index c3b08c236d62..82038f228b15 100644
--- a/nova/console/rpcapi.py
+++ b/nova/console/rpcapi.py
@@ -49,9 +49,11 @@ class ConsoleAPI(object):
 
         2.0 - Major API rev for Icehouse
 
-        ... Icehouse, Juno and Kilo support message version 2.0.  So, any
-        changes to existing methods in 2.x after that point should be done such
-        that they can handle the version_cap being set to 2.0.
+        ... Icehouse, Juno, Kilo, Liberty support message version 2.0.
+        So, any changes to existing methods in 2.x after that point
+        should be done such that they can handle the version_cap being
+        set to 2.0.
+
     '''
 
     VERSION_ALIASES = {
@@ -60,6 +62,7 @@ class ConsoleAPI(object):
         'icehouse': '2.0',
         'juno': '2.0',
         'kilo': '2.0',
+        'liberty': '2.0',
     }
 
     def __init__(self, topic=None, server=None):
diff --git a/nova/consoleauth/rpcapi.py b/nova/consoleauth/rpcapi.py
index 4be808e74986..5d365350781f 100644
--- a/nova/consoleauth/rpcapi.py
+++ b/nova/consoleauth/rpcapi.py
@@ -50,9 +50,11 @@ class ConsoleAuthAPI(object):
 
         * 2.1 - Added access_url to authorize_console
 
-        ... Kilo support message version 2.1.  So, any changes to existing
-        methods in 2.x after that point should be done such that they can
-        handle the version_cap being set to 2.1.
+        ... Kilo and Liberty support message version 2.1.  So, any
+        changes to existing methods in 2.x after that point should be
+        done such that they can handle the version_cap being set to
+        2.1.
+
     '''
 
     VERSION_ALIASES = {
@@ -61,6 +63,7 @@ class ConsoleAuthAPI(object):
         'icehouse': '2.0',
         'juno': '2.0',
         'kilo': '2.1',
+        'liberty': '2.1',
     }
 
     def __init__(self):
diff --git a/nova/network/rpcapi.py b/nova/network/rpcapi.py
index 7f14b415ca60..3c161b981722 100644
--- a/nova/network/rpcapi.py
+++ b/nova/network/rpcapi.py
@@ -106,6 +106,10 @@ class NetworkAPI(object):
 
         * 1.14 - Add mac parameter to release_fixed_ip().
         * 1.15 - Convert set_network_host() to use Network objects.
+
+        ... Liberty supports message version 1.15.  So, any changes to
+        existing methods in 1.x after that point should be done such that they
+        can handle the version_cap being set to 1.15.
     '''
 
     VERSION_ALIASES = {
@@ -114,6 +118,7 @@ class NetworkAPI(object):
         'icehouse': '1.12',
         'juno': '1.13',
         'kilo': '1.13',
+        'liberty': '1.15',
     }
 
     def __init__(self, topic=None):
diff --git a/nova/scheduler/rpcapi.py b/nova/scheduler/rpcapi.py
index c8eb901464c0..fb8ab1945972 100644
--- a/nova/scheduler/rpcapi.py
+++ b/nova/scheduler/rpcapi.py
@@ -91,9 +91,10 @@ class SchedulerAPI(object):
         * 4.2 - Added update_instance_info(), delete_instance_info(), and
                 sync_instance_info()  methods
 
-        ... Kilo support message version 4.2. So, any changes to existing
-        methods in 4.x after that point should be done such that they can
-        handle the version_cap being set to 4.2.
+        ... Kilo and Liberty support message version 4.2. So, any
+        changes to existing methods in 4.x after that point should be
+        done such that they can handle the version_cap being set to
+        4.2.
 
     '''
 
@@ -103,6 +104,7 @@ class SchedulerAPI(object):
         'icehouse': '3.0',
         'juno': '3.0',
         'kilo': '4.2',
+        'liberty': '4.2',
     }
 
     def __init__(self):