diff --git a/novaclient/__init__.py b/novaclient/__init__.py
index e9b2a802c..b9f008cca 100644
--- a/novaclient/__init__.py
+++ b/novaclient/__init__.py
@@ -25,4 +25,4 @@ API_MIN_VERSION = api_versions.APIVersion("2.1")
 # when client supported the max version, and bumped sequentially, otherwise
 # the client may break due to server side new version may include some
 # backward incompatible change.
-API_MAX_VERSION = api_versions.APIVersion("2.19")
+API_MAX_VERSION = api_versions.APIVersion("2.20")
diff --git a/novaclient/tests/unit/v2/test_shell.py b/novaclient/tests/unit/v2/test_shell.py
index 8e110c578..eb86eee90 100644
--- a/novaclient/tests/unit/v2/test_shell.py
+++ b/novaclient/tests/unit/v2/test_shell.py
@@ -2685,6 +2685,7 @@ class ShellTest(utils.TestCase):
                  #   (we can do it, since nova-api change didn't actually add
                  #   new microversion, just an additional checks. See
                  #   https://review.openstack.org/#/c/233076/ for more details)
+            20,  # doesn't require any changes in novaclient
         ])
         versions_supported = set(range(0,
                                  novaclient.API_MAX_VERSION.ver_minor + 1))