diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
new file mode 100644
index 000000000..2ce3395ee
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE.md
@@ -0,0 +1,3 @@
+**Note**: oauth2client is now deprecated. As such, it is unlikely that we will
+address or respond to your issue. We recommend you use
+[google-auth](https://google-auth.readthedocs.io) and [oauthlib](http://oauthlib.readthedocs.io/).
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 000000000..1fbd4d272
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,3 @@
+**Note**: oauth2client is now deprecated. As such, it is unlikely that we will
+review or merge to your pull request. We recommend you use
+[google-auth](https://google-auth.readthedocs.io) and [oauthlib](http://oauthlib.readthedocs.io/).
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1094c3916..fb86c26b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # CHANGELOG
 
+## v4.1.0
+
+**Note**: oauth2client is now deprecated. No more features will be added to the
+libraries and the core team is turning down support. We recommend you use
+[google-auth](https://google-auth.readthedocs.io) and [oauthlib](http://oauthlib.readthedocs.io/).
+
+New features:
+* Allow customizing the GCE metadata service address via an env var. (#704)
+* Store original encoded and signed identity JWT in OAuth2Credentials. (#680)
+* Use jsonpickle in django contrib, if available. (#676)
+
+Bug fixes:
+* Typo fixes. (#668, #697)
+* Remove b64 padding from PKCE values, per RFC7636. (#683)
+* Include LICENSE in Manifest.in. (#694)
+* Fix tests and CI. (#705, #712, #713)
+* Escape callback error code in flask_util. (#710)
+
 ## v4.0.0
 
 New features:
diff --git a/README.md b/README.md
index 0f34a6365..e6c187946 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,10 @@
 
 This is a client library for accessing resources protected by OAuth 2.0.
 
+**Note**: oauth2client is now deprecated. No more features will be added to the
+libraries and the core team is turning down support. We recommend you use
+[google-auth](https://google-auth.readthedocs.io) and [oauthlib](http://oauthlib.readthedocs.io/).
+
 Installation
 ============
 
diff --git a/oauth2client/__init__.py b/oauth2client/__init__.py
index ef19360aa..30edb1859 100644
--- a/oauth2client/__init__.py
+++ b/oauth2client/__init__.py
@@ -14,7 +14,7 @@
 
 """Client library for using OAuth2, especially with Google APIs."""
 
-__version__ = '4.0.0'
+__version__ = '4.1.0'
 
 GOOGLE_AUTH_URI = 'https://accounts.google.com/o/oauth2/v2/auth'
 GOOGLE_DEVICE_URI = 'https://accounts.google.com/o/oauth2/device/code'
diff --git a/setup.py b/setup.py
index faff5c8f5..6f6e37153 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,14 @@
     'six>=1.6.1',
 ]
 
-long_desc = 'oauth2client is a client library for OAuth 2.0.'
+long_desc = """
+oauth2client is a client library for OAuth 2.0.
+
+Note: oauth2client is now deprecated. No more features will be added to the
+    libraries and the core team is turning down support. We recommend you use
+    `google-auth <https://google-auth.readthedocs.io>`__ and
+    `oauthlib <http://oauthlib.readthedocs.io/>`__.
+"""
 
 version = oauth2client.__version__
 
@@ -51,6 +58,7 @@
     description='OAuth 2.0 client library',
     long_description=long_desc,
     author='Google Inc.',
+    author_email='jonwayne+oauth2client@google.com',
     url='http://github.com/google/oauth2client/',
     install_requires=install_requires,
     packages=find_packages(),
@@ -62,7 +70,7 @@
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
-        'Development Status :: 5 - Production/Stable',
+        'Development Status :: 7 - Inactive',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: Apache Software License',
         'Operating System :: POSIX',