diff --git a/src/client/Python/msrest/doc/conf.py b/src/client/Python/msrest/doc/conf.py
index 04f96a303f..7d428a7094 100644
--- a/src/client/Python/msrest/doc/conf.py
+++ b/src/client/Python/msrest/doc/conf.py
@@ -57,9 +57,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '0.4.0'
+version = '0.4.3'
 # The full version, including alpha/beta/rc tags.
-release = '0.4.0'
+release = '0.4.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/src/client/Python/msrest/msrest/version.py b/src/client/Python/msrest/msrest/version.py
index 614b37a38a..dc650038f0 100644
--- a/src/client/Python/msrest/msrest/version.py
+++ b/src/client/Python/msrest/msrest/version.py
@@ -25,4 +25,4 @@
 # --------------------------------------------------------------------------
 
 
-msrest_version = "0.4.2"
+msrest_version = "0.4.3"
diff --git a/src/client/Python/msrest/readme.rst b/src/client/Python/msrest/readme.rst
index 7dd6632c87..8f69dfe7a1 100644
--- a/src/client/Python/msrest/readme.rst
+++ b/src/client/Python/msrest/readme.rst
@@ -15,6 +15,13 @@ To install:
 Release History
 ---------------
 
+2016-09-01 Version 0.4.3
+++++++++++++++++++++++++
+
+**Bugfixes**
+
+- Better exception message (https://github.com/Azure/autorest/pull/1300)
+
 2016-08-15 Version 0.4.2
 ++++++++++++++++++++++++
 
diff --git a/src/client/Python/msrest/setup.py b/src/client/Python/msrest/setup.py
index d3e0509495..9f52bfa508 100644
--- a/src/client/Python/msrest/setup.py
+++ b/src/client/Python/msrest/setup.py
@@ -28,7 +28,7 @@
 
 setup(
     name='msrest',
-    version='0.4.2',
+    version='0.4.3',
     author='Microsoft Corporation',
     packages=['msrest'],
     url=("https://github.com/xingwu1/autorest/tree/python/"
diff --git a/src/client/Python/msrestazure/doc/conf.py b/src/client/Python/msrestazure/doc/conf.py
index 3c48de903c..e5b0805138 100644
--- a/src/client/Python/msrestazure/doc/conf.py
+++ b/src/client/Python/msrestazure/doc/conf.py
@@ -58,9 +58,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '0.4.1'
+version = '0.4.2'
 # The full version, including alpha/beta/rc tags.
-release = '0.4.1'
+release = '0.4.2'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/src/client/Python/msrestazure/msrestazure/version.py b/src/client/Python/msrestazure/msrestazure/version.py
index 9aa27d977c..0c1986160b 100644
--- a/src/client/Python/msrestazure/msrestazure/version.py
+++ b/src/client/Python/msrestazure/msrestazure/version.py
@@ -24,4 +24,4 @@
 #
 # --------------------------------------------------------------------------
 
-msrestazure_version = "0.4.1"
+msrestazure_version = "0.4.2"
diff --git a/src/client/Python/msrestazure/readme.rst b/src/client/Python/msrestazure/readme.rst
index f166332e5c..67bade0178 100644
--- a/src/client/Python/msrestazure/readme.rst
+++ b/src/client/Python/msrestazure/readme.rst
@@ -15,6 +15,15 @@ To install:
 Release History
 ---------------
 
+2016-09-01 Version 0.4.2
+++++++++++++++++++++++++
+
+**Bugfixes**
+
+- Better exception message (https://github.com/Azure/autorest/pull/1300)
+
+This version needs msrest >= 0.4.3
+
 2016-06-08 Version 0.4.1
 ++++++++++++++++++++++++
 
diff --git a/src/client/Python/msrestazure/setup.py b/src/client/Python/msrestazure/setup.py
index fd7f96e70f..62a7c75ffd 100644
--- a/src/client/Python/msrestazure/setup.py
+++ b/src/client/Python/msrestazure/setup.py
@@ -28,7 +28,7 @@
 
 setup(
     name='msrestazure',
-    version='0.4.1',
+    version='0.4.2',
     author='Microsoft Corporation',
     packages=['msrestazure'],
     url=('https://github.com/xingwu1/autorest/tree/python/'
@@ -49,5 +49,5 @@
         'License :: OSI Approved :: MIT License',
         'Topic :: Software Development'],
     install_requires=[
-        "msrest>=0.4.0"],
+        "msrest>=0.4.3"],
 )