diff --git a/LICENSE b/LICENSE
index 1391310..01587ab 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2016 AWeber Communications
+Copyright (c) 2016-2019 AWeber Communications
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,
diff --git a/docs/history.rst b/docs/history.rst
index ea28b00..7b70680 100644
--- a/docs/history.rst
+++ b/docs/history.rst
@@ -3,8 +3,8 @@
 Release History
 ===============
 
-`Next`_
--------
+`4.0.0`_ (06-Feb-2019)
+----------------------
 - Add support for Tornado 5
 - Remove support for Tornado < 5
 - Remove support for Python < 3.7
@@ -88,7 +88,8 @@ Release History
 - Add :class:`sprockets.mixins.metrics.InfluxDBMixin`
 - Add :class:`sprockets.mixins.metrics.influxdb.InfluxDBConnection`
 
-.. _Next: https://github.com/sprockets/sprockets.mixins.metrics/compare/3.1.1...master
+.. _Next Release: https://github.com/sprockets/sprockets.mixins.metrics/compare/4.0.0...master
+.. _4.0.0: https://github.com/sprockets/sprockets.mixins.metrics/compare/3.1.1...4.0.0
 .. _3.1.1: https://github.com/sprockets/sprockets.mixins.metrics/compare/3.1.0...3.1.1
 .. _3.1.0: https://github.com/sprockets/sprockets.mixins.metrics/compare/3.0.4...3.1.0
 .. _3.0.4: https://github.com/sprockets/sprockets.mixins.metrics/compare/3.0.3...3.0.4
diff --git a/setup.py b/setup.py
index b6ab2cf..3e01f99 100755
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,6 @@
+#!/usr/bin/env python3
+#
+
 import pathlib
 
 import setuptools
diff --git a/sprockets/mixins/metrics/__init__.py b/sprockets/mixins/metrics/__init__.py
index e40eb48..1277b5a 100644
--- a/sprockets/mixins/metrics/__init__.py
+++ b/sprockets/mixins/metrics/__init__.py
@@ -1,3 +1,3 @@
-version_info = (3, 1, 1)
+version_info = (4, 0, 0)
 __version__ = '.'.join(str(v) for v in version_info)
 __all__ = ['__version__', 'version_info']