diff --git a/docs/conf.py b/docs/conf.py
index 45334686..2e02c5d4 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -50,7 +50,7 @@
 # The short X.Y version.
 version = '0.4'
 # 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/environ/environ.py b/environ/environ.py
index 3e5b38b1..47d6faf4 100644
--- a/environ/environ.py
+++ b/environ/environ.py
@@ -21,7 +21,7 @@ class ImproperlyConfigured(Exception):
 logger = logging.getLogger(__name__)
 
 
-VERSION = '0.4.1'
+VERSION = '0.4.2'
 __author__ = 'joke2k'
 __version__ = tuple(VERSION.split('.'))
 
diff --git a/setup.cfg b/setup.cfg
index 2404ddbe..28048551 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.4.1
+current_version = 0.4.2
 commit = True
 tag = True
 files = setup.py environ/environ.py docs/conf.py
diff --git a/setup.py b/setup.py
index 5a4fe804..82904e42 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 here = os.path.abspath(os.path.dirname(__file__))
 README = io.open(os.path.join(here, 'README.rst'), encoding="utf8").read()
 
-version = '0.4.1'
+version = '0.4.2'
 author = 'joke2k'
 description = "Django-environ allows you to utilize 12factor inspired environment " \
               "variables to configure your Django application."