diff --git a/saharaclient/api/shell.py b/saharaclient/api/shell.py
index 07432592..3b46057b 100644
--- a/saharaclient/api/shell.py
+++ b/saharaclient/api/shell.py
@@ -355,6 +355,8 @@ def do_cluster_delete(cs, args):
 #
 # node-group-template-delete --name <template>|--id <template_id>
 #
+# node-group-template-update --name <template>|--id <template_id> --json <file>
+#
 
 def do_node_group_template_list(cs, args):
     """Print a list of available node group templates."""
@@ -409,6 +411,36 @@ def do_node_group_template_delete(cs, args):
     # TODO(mattf): No indication of result
 
 
+@utils.arg('--name',
+           help='Name of the node group template to update.')
+@utils.arg('--id',
+           metavar='<template_id>',
+           help='ID of the node group template to update')
+@utils.arg('--json',
+           default=sys.stdin,
+           type=argparse.FileType('r'),
+           help='JSON representation of the node group template update')
+def do_node_group_template_update(cs, args):
+    """Update a node group template."""
+    template = _get_by_id_or_name(cs.node_group_templates,
+                                  name=args.name,
+                                  id=args.id)
+    update_template = json.loads(args.json.read())
+    _filter_call_args(update_template, cs.node_group_templates.update)
+    for param in ["plugin_name", "hadoop_version", "name", "flavor_id"]:
+        if param not in update_template:
+            update_template[param] = getattr(template, param, None)
+
+    result = cs.node_group_templates.update(
+        args.id or
+        template._get_by_id_or_name(cs.node_group_templates,
+                                    name=args.name).id,
+        **update_template
+    )
+
+    _show_node_group_template(result)
+
+
 #
 # Cluster Templates
 # ~~~~~~~~~~~~~~~~~
diff --git a/saharaclient/tests/unit/test_node_group_templates.py b/saharaclient/tests/unit/test_node_group_templates.py
index f8926f74..0cc02de0 100644
--- a/saharaclient/tests/unit/test_node_group_templates.py
+++ b/saharaclient/tests/unit/test_node_group_templates.py
@@ -27,7 +27,20 @@ class NodeGroupTemplateTest(base.BaseTestCase):
         "description": "description",
         "volumes_per_node": "3",
         "volumes_size": "4",
-        "node_processes": ["datanode"]
+        "node_processes": ["datanode"],
+    }
+
+    update_json = {
+        "node_group_template": {
+            "name": "UpdatedName",
+            "plugin_name": "new_plugin",
+            "hadoop_version": "2",
+            "flavor_id": "7",
+            "description": "description",
+            "volumes_per_node": "3",
+            "volumes_size": "4",
+            "node_processes": ["datanode", "namenode"],
+        }
     }
 
     def test_create_node_group_template(self):
@@ -69,3 +82,37 @@ class NodeGroupTemplateTest(base.BaseTestCase):
         self.client.node_group_templates.delete('id')
 
         self.assertEqual(url, self.responses.last_request.url)
+
+    def test_update_node_group_template(self):
+        url = self.URL + '/node-group-templates'
+        self.responses.post(url, status_code=202,
+                            json={'node_group_template': self.body})
+        resp = self.client.node_group_templates.create(**self.body)
+
+        update_url = self.URL + '/node-group-templates/id'
+        self.responses.put(update_url, status_code=202, json=self.update_json)
+
+        updated = self.client.node_group_templates.update(
+            "id",
+            resp.name,
+            resp.plugin_name,
+            resp.hadoop_version,
+            resp.flavor_id,
+            description=getattr(resp, "description", None),
+            volumes_per_node=getattr(resp, "volumes_per_node", None),
+            node_configs=getattr(resp, "node_configs", None),
+            floating_ip_pool=getattr(resp, "floating_ip_pool", None),
+            security_groups=getattr(resp, "security_groups", None),
+            auto_security_group=getattr(resp, "auto_security_group", None),
+            availability_zone=getattr(resp, "availability_zone", None),
+            volumes_availability_zone=getattr(resp,
+                                              "volumes_availability_zone",
+                                              None),
+            volume_type=getattr(resp, "volume_type", None),
+            image_id=getattr(resp, "image_id", None),
+            is_proxy_gateway=getattr(resp, "is_proxy_gateway", None),
+            volume_local_to_instance=getattr(resp,
+                                             "volume_local_to_instance",
+                                             None))
+        self.assertIsInstance(updated, ng.NodeGroupTemplate)
+        self.assertFields(self.update_json["node_group_template"], updated)