diff --git a/samples/adexchangebuyer/get_all_accounts.py b/samples/adexchangebuyer/get_all_accounts.py
index b1abc90..41d2554 100644
--- a/samples/adexchangebuyer/get_all_accounts.py
+++ b/samples/adexchangebuyer/get_all_accounts.py
@@ -31,7 +31,7 @@ from oauth2client import client
 def main(argv):
   # Authenticate and construct service.
   service, flags = sample_tools.init(
-      argv, 'adexchangebuyer', 'v1.2', __doc__, __file__,
+      argv, 'adexchangebuyer', 'v1.3', __doc__, __file__,
       scope='https://www.googleapis.com/auth/adexchange.buyer')
 
   try:
diff --git a/samples/adexchangebuyer/get_creative.py b/samples/adexchangebuyer/get_creative.py
index 5ed2bfa..e4db623 100644
--- a/samples/adexchangebuyer/get_creative.py
+++ b/samples/adexchangebuyer/get_creative.py
@@ -40,7 +40,7 @@ argparser.add_argument('buyer_creative_id',
 def main(argv):
   # Authenticate and construct service.
   service, flags = sample_tools.init(
-      argv, 'adexchangebuyer', 'v1.2', __doc__, __file__, parents=[argparser],
+      argv, 'adexchangebuyer', 'v1.3', __doc__, __file__, parents=[argparser],
       scope='https://www.googleapis.com/auth/adexchange.buyer')
 
   account_id = flags.account_id
diff --git a/samples/adexchangebuyer/get_direct_deals.py b/samples/adexchangebuyer/get_direct_deals.py
index 0d39a96..e208448 100644
--- a/samples/adexchangebuyer/get_direct_deals.py
+++ b/samples/adexchangebuyer/get_direct_deals.py
@@ -31,7 +31,7 @@ from oauth2client import client
 def main(argv):
   # Authenticate and construct service.
   service, flags = sample_tools.init(
-      argv, 'adexchangebuyer', 'v1.2', __doc__, __file__,
+      argv, 'adexchangebuyer', 'v1.3', __doc__, __file__,
       scope='https://www.googleapis.com/auth/adexchange.buyer')
 
   try:
diff --git a/samples/adexchangebuyer/submit_creative.py b/samples/adexchangebuyer/submit_creative.py
index e7ba2d7..e968093 100644
--- a/samples/adexchangebuyer/submit_creative.py
+++ b/samples/adexchangebuyer/submit_creative.py
@@ -43,7 +43,7 @@ argparser.add_argument('agency_id', type=int,
 def main(argv):
   # Authenticate and construct service.
   service, flags = sample_tools.init(
-      argv, 'adexchangebuyer', 'v1.2', __doc__, __file__, parents=[argparser],
+      argv, 'adexchangebuyer', 'v1.3', __doc__, __file__, parents=[argparser],
       scope='https://www.googleapis.com/auth/adexchange.buyer')
 
   account_id = flags.account_id
diff --git a/samples/adexchangebuyer/update_account.py b/samples/adexchangebuyer/update_account.py
index eaadaf2..1b9c9a5 100644
--- a/samples/adexchangebuyer/update_account.py
+++ b/samples/adexchangebuyer/update_account.py
@@ -39,7 +39,7 @@ argparser.add_argument('cookie_matching_url',
 def main(argv):
   # Authenticate and construct service.
   service, flags = sample_tools.init(
-      argv, 'adexchangebuyer', 'v1.2', __doc__, __file__, parents=[argparser],
+      argv, 'adexchangebuyer', 'v1.3', __doc__, __file__, parents=[argparser],
       scope='https://www.googleapis.com/auth/adexchange.buyer')
 
   account_id = flags.account_id