diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index be10152b..1f5294e5 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 4.0.0.dev0
+current_version = 4.0.0
 commit = True
 tag = False
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<release>[a-z]+)(?P<build>\d+))?
diff --git a/docs/conf.py b/docs/conf.py
index 26a8dd99..c1c973cd 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -11,7 +11,7 @@
 # -- Project information ---------------------------------------------------------------
 
 author = "Sam Schott"
-version = "4.0.0.dev0"
+version = "4.0.0"
 release = version
 project = "dekstop-notifier"
 title = "Desktop-Notifier Documentation"
diff --git a/pyproject.toml b/pyproject.toml
index cae2b7ce..98c45b8d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "desktop-notifier"
-version = "4.0.0.dev0"
+version = "4.0.0"
 authors = [{name = "Sam Schott", email = "sam.schott@outlook.com"}]
 license = {text = "MIT"}
 description = "Python library for cross-platform desktop notifications"
diff --git a/src/desktop_notifier/__init__.py b/src/desktop_notifier/__init__.py
index 028406b7..0e9ee560 100644
--- a/src/desktop_notifier/__init__.py
+++ b/src/desktop_notifier/__init__.py
@@ -2,7 +2,7 @@
 from .main import DesktopNotifier, Button, ReplyField, Notification, Urgency
 
 
-__version__ = "4.0.0.dev0"
+__version__ = "4.0.0"
 __author__ = "Sam Schott"
 __url__ = "https://github.com/samschott/desktop-notifier"