Release v0.3.0 (#83)

diff --git a/.travis.yml b/.travis.yml
index 642101b..9fb1c17 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,13 +30,14 @@
 deploy:
   provider: pypi
   user: google_opensource
-  distributions: sdist bdist_wheel
   password:
-    secure: Pbj0eXpOrBvRcBAevX86T1gS54d19yRUv/3e1DEj4+3KKiOP6JH5OLXNCUrd+rqZrdg/3bC1PLtIUWh3oecy7Ngi9ya6kHk3QCTQ6fnl0CfvUlCMPM+Y6tGwA4aSNl2qZQnZSubaMiMUEg92UIPclfrq92fnQvCML+pqedh8BCZgEaPnOJKOtS8FRUrXRZHZ/fKEZpw71gXoWCYj5gzZ1HSoXQkfnqKukAes9mqMax84MKy0NPY7FHxejfH3O5BqJ+InSKG2F6EVZ/9uKQ4NxnUjMcNTU0YBVNkEhjagmSE+7+Xs3EiZbcZMseZXbVTeZSBLBX9+25eW2naMIHlzh7atelYktGnlwjlWi/lf8V8JJ4oY9K8Z2/Lau/5Cdtlq9mmyeKEJt9ltRI8Ll0619EKiJtc/Racg0F9qRR+C+yliPsIEZyopnm8bQVIfDr7RmSYzwOkP9eM+YRerD3cvGprLMkq+t/56zM2YUXxGKoqAve1Cu4oj91TjK4DxJ9Lm4fO9fosLhb8I719mBtZifDFQm1TLgOdyHJ5/+APqaVrWnKrbpCPxt+sYyqXVH1dXEULIDNqm3AwgLWjqAA9dxEV5Uats1LDoM6LaT1CgKc/O/FAQgTTJHPV2cWCVntdXGsZDCs/G9IcxBoXzBqz8TdQ5BEyOS2A8Ws/yjVk7tpw=
+    secure: 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
   on:
     tags: true
+    distributions: sdist bdist_wheel
     repo: GoogleCloudPlatform/google-auth-library-python
+    condition: "$TOXENV = \"cover\""
 env:
   global:
-    - secure: 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
-    - CLOUD_SDK_ROOT: ${HOME}/.cache/cloud-sdk
+  - secure: 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
+  - CLOUD_SDK_ROOT: ${HOME}/.cache/cloud-sdk
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index f96a9dd..5c05b85 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,16 @@
 Changelog
 =========
 
+v0.3.0
+------
+
+- Added Google ID token verification helpers. (#82)
+- Swapped the ``target`` and ``request`` argument order for ``grpc.secure_authorized_channel``. (#81)
+- Added a user's guide. (#79)
+- Made ``service_account_email`` a public property on several credential classes. (#76)
+- Added a ``scope`` argument to ``google.auth.default``. (#75)
+- Added support for the ``GCLOUD_PROJECT`` environment variable. (#73)
+
 v0.2.0
 ------
 
diff --git a/setup.py b/setup.py
index a0f5ec7..b0075ce 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
 
 setup(
     name='google-auth',
-    version='0.2.0',
+    version='0.3.0',
     author='Google Cloud Platform',
     author_email='jonwayne+google-auth@google.com',
     description='Google Authentication Library',