diff --git a/novaclient/__init__.py b/novaclient/__init__.py
index 3392aabc9..c114e5b9c 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("2.59")
+API_MAX_VERSION = api_versions.APIVersion("2.60")
diff --git a/novaclient/tests/unit/v2/test_shell.py b/novaclient/tests/unit/v2/test_shell.py
index bba9f7538..34c6717b5 100644
--- a/novaclient/tests/unit/v2/test_shell.py
+++ b/novaclient/tests/unit/v2/test_shell.py
@@ -3310,6 +3310,7 @@ class ShellTest(utils.TestCase):
             52,  # There are no version-wrapped shell method changes for this.
             54,  # There are no version-wrapped shell method changes for this.
             57,  # There are no version-wrapped shell method changes for this.
+            60,  # There are no client-side changes for volume multiattach.
         ])
         versions_supported = set(range(0,
                                  novaclient.API_MAX_VERSION.ver_minor + 1))