diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index e0bfc2e..7728b2e 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.4.0
+current_version = 0.4.1
 commit = False
 tag = False
 
diff --git a/docs/conf.py b/docs/conf.py
index b9aeeb6..a374af0 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -66,7 +66,7 @@
 # the built documents.
 #
 # The short X.Y version.
-version = '0.4.0'
+version = '0.4.1'
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/pybaselines/__init__.py b/pybaselines/__init__.py
index 2a644d4..4d3724e 100644
--- a/pybaselines/__init__.py
+++ b/pybaselines/__init__.py
@@ -55,7 +55,7 @@
 
 """
 
-__version__ = '0.4.0'
+__version__ = '0.4.1'
 
 
 # import utils first since it is imported by other modules; likewise, import
diff --git a/setup.cfg b/setup.cfg
index 7416054..ec09ac3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = pybaselines
-version = 0.4.0
+version = 0.4.1
 author = Donald Erb
 author_email = donnie.erb@gmail.com
 description = A collection of algorithms for estimating the baseline of experimental data