diff --git a/examples/claims.py b/examples/claims.py
index 4069418..5925fc4 100644
--- a/examples/claims.py
+++ b/examples/claims.py
@@ -15,10 +15,13 @@
 
 import time
 
-from zaqarclient.queues.v1 import client
+from zaqarclient.queues.v2 import client
 
 URL = 'http://localhost:8888'
 
+# Note: credential information should be provided using `conf`
+# keyword argument if authentication is enabled at server side.
+# Please refer to keystone_auth.py for more information.
 cli = client.Client(URL)
 queue = cli.queue('worker-jobs')
 
diff --git a/examples/keystone_auth.py b/examples/keystone_auth.py
index 345e330..16a5b8c 100644
--- a/examples/keystone_auth.py
+++ b/examples/keystone_auth.py
@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from zaqarclient.queues.v1 import client
+from zaqarclient.queues.v2 import client
 
 URL = 'http://localhost:8888'
 
diff --git a/examples/management.py b/examples/management.py
index 7e66242..e25d3cb 100644
--- a/examples/management.py
+++ b/examples/management.py
@@ -18,7 +18,11 @@ URL = 'http://localhost:8888'
 
 
 def healthy():
-    cli = client.Client(url=URL, version=1)
+    # Note: credential information should be provided
+    # using `conf` keyword argument if authentication
+    # is enabled at server side. Please refer to
+    # keystone_auth.py for more information.
+    cli = client.Client(url=URL, version=2)
     return True if cli.health() else False
 
 if __name__ == '__main__':
diff --git a/examples/simple.py b/examples/simple.py
index 0b477a1..8213f71 100644
--- a/examples/simple.py
+++ b/examples/simple.py
@@ -14,7 +14,7 @@
 
 # NOTE(flaper87): Client should be moved to
 # an upper package. It's version agnostic.
-from zaqarclient.queues.v1 import client
+from zaqarclient.queues.v2 import client
 
 URL = 'http://localhost:8888'
 
@@ -30,7 +30,11 @@ def create_post_delete(queue_name, messages):
     :params messages: Messages to post.
     :type messages: list
     """
-    cli = client.Client(URL, version=1.1)
+    # Note: credential information should be provided
+    # using `conf` keyword argument if authentication
+    # is enabled at server side. Please refer to
+    # keystone_auth.py for more information.
+    cli = client.Client(URL, version=2)
     queue = cli.queue(queue_name)
     queue.post(messages)