Release google-auth-library-python 1.6.0 (#303)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 54fbbb1..988ac69 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,31 @@
 Changelog
 =========
 
+v1.6.0
+------
+
+11-09-2018 11:07 PST
+
+New Features
+++++++++++++
+
+- Add google.auth.impersonated_credentials ([#299](https://github.com/googleapis/google-auth-library-python/pull/299))
+
+Documentation
++++++++++++++
+
+- Update link to documentation for default credentials ([#296](https://github.com/googleapis/google-auth-library-python/pull/296))
+- Update github issue templates ([#300](https://github.com/googleapis/google-auth-library-python/pull/300))
+- Remove punctuation which becomes part of the url ([#284](https://github.com/googleapis/google-auth-library-python/pull/284))
+
+Internal / Testing Changes
+++++++++++++++++++++++++++
+
+- Update trampoline.sh ([#302](https://github.com/googleapis/google-auth-library-python/pull/302))
+- Enable static type checking with pytype ([#298](https://github.com/googleapis/google-auth-library-python/pull/298))
+- Make classifiers in setup.py an array. ([#280](https://github.com/googleapis/google-auth-library-python/pull/280))
+
+
 v1.5.1
 ------
 
diff --git a/setup.py b/setup.py
index 1d603c7..f86748c 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,7 @@
 
 setup(
     name='google-auth',
-    version='1.5.1',
+    version='1.6.0',
     author='Google Cloud Platform',
     author_email='jonwayne+google-auth@google.com',
     description='Google Authentication Library',