diff --git a/birdy/__init__.py b/birdy/__init__.py
index 485c658..086c5ca 100644
--- a/birdy/__init__.py
+++ b/birdy/__init__.py
@@ -1,3 +1,3 @@
-__version__ = '0.4.1'
+__version__ = '0.4.2'
 
 from .native import import_wps
diff --git a/docs/source/conf.py b/docs/source/conf.py
index eb633c2..3dd43d4 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -67,7 +67,7 @@
 # The short X.Y version.
 version = ''
 # 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/setup.cfg b/setup.cfg
index a1fddf4..9420ba3 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