diff --git a/vsts/setup.py b/vsts/setup.py
index 5b0c95a..b9743ce 100644
--- a/vsts/setup.py
+++ b/vsts/setup.py
@@ -6,7 +6,7 @@
 from setuptools import setup, find_packages
 
 NAME = "vsts"
-VERSION = "0.1.17"
+VERSION = "0.1.18"
 
 # To install the library, run the following
 #
@@ -16,7 +16,7 @@ VERSION = "0.1.17"
 # http://pypi.python.org/pypi/setuptools
 
 REQUIRES = [
-    "msrest>=0.5.0"
+    "msrest>=0.5.0,<0.6.0"
 ]
 
 CLASSIFIERS = [
diff --git a/vsts/vsts/version.py b/vsts/vsts/version.py
index 9314345..9506f0c 100644
--- a/vsts/vsts/version.py
+++ b/vsts/vsts/version.py
@@ -3,4 +3,4 @@
 # Licensed under the MIT License. See License.txt in the project root for license information.
 # --------------------------------------------------------------------------------------------
 
-VERSION = "0.1.17"
+VERSION = "0.1.18"