diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index a97c741..11c90d2 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.2
+current_version = 0.4.0
 commit = False
 tag = False
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\-(?P<release>[a-z]+))?(\.(?P<build>\d+))?
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e0f4e5..d9afb54 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,11 +2,15 @@
 
 ## [Unreleased](https://github.com/matpompili/caniusethat/tree/main)
 
+[Full Unreleased Changelog](https://github.com/matpompili/caniusethat/compare/v0.4.0...main)
+
+## [v0.4.0](https://github.com/matpompili/caniusethat/tree/v0.4.0) (2022-12-28)
+
 -   Bump `pyzmq` from 23.2.1 to 24.0.1.
 -   Now Windows can interrupt remote procedure calls with `Ctrl+C`. (PR #19)
 -   Remote procedure calls are now thread-safe. (PR #19)
 
-[Full Unreleased Changelog](https://github.com/matpompili/caniusethat/compare/v0.3.2...main)
+[Full v0.4.0 Changelog](https://github.com/matpompili/caniusethat/compare/v0.3.2...v0.4.0)
 
 ## [v0.3.2](https://github.com/matpompili/caniusethat/tree/v0.3.2) (2022-09-07)
 
diff --git a/caniusethat/__init__.py b/caniusethat/__init__.py
index f9aa3e1..6a9beea 100644
--- a/caniusethat/__init__.py
+++ b/caniusethat/__init__.py
@@ -1 +1 @@
-__version__ = "0.3.2"
+__version__ = "0.4.0"
diff --git a/setup.py b/setup.py
index 374112e..d7017ae 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 
 setup(
     name="caniusethat",
-    version="0.3.2",
+    version="0.4.0",
     packages=["caniusethat"],
     author="Matteo Pompili",
     python_requires=">=3.8",