diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 45d6da6..8f48917 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,7 +1,7 @@
 [bumpversion]
 commit = False
 tag = False
-current_version = 0.3.0
+current_version = 0.4.0
 
 [bumpversion:file:setup.cfg]
 
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 2460bc6..1836e52 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,14 @@
 Changelog
 =========
 
+0.4.0 (08-11-2023)
+==================
+
+* Upgraded base image to bullseye
+* Removed Docker files for CI and refactored so that we don't use Open Forms test images in CI.
+* Added code coverage
+* Added a label field to the token exchange configuration model
+
 0.3.0 (24-11-2022)
 ==================
 
diff --git a/README.rst b/README.rst
index ccb7d13..501fd10 100644
--- a/README.rst
+++ b/README.rst
@@ -3,7 +3,7 @@
 Open Forms extension token exchange
 ===================================
 
-:Version: 0.3.0
+:Version: 0.4.0
 :Source: https://github.com/open-formulieren/open-forms-ext-token-exchange
 :Keywords: Open Forms Extension, Keycloak token exchange
 
@@ -42,7 +42,7 @@ Requirements
 ------------
 
 * Python 3.7 or above
-* setuptools 30.3.0 or above
+* setuptools 30.4.0 or above
 * Django 3.2
 
 
diff --git a/docs/conf.py b/docs/conf.py
index 0957044..6c03bbe 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -26,7 +26,7 @@
 author = "Maykin Media"
 
 # The full version, including alpha/beta/rc tags
-release = "0.3.0"
+release = "0.4.0"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/setup.cfg b/setup.cfg
index 167ad38..8a3a2d6 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,7 +2,7 @@
 # see http://setuptools.readthedocs.io/en/latest/setuptools.html#configuring-setup-using-setup-cfg-files
 [metadata]
 name = open-forms-ext-token-exchange
-version = 0.3.0
+version = 0.4.0
 description = "Open Forms extension to use Keycloak access tokens when requesting prefill data from external APIs."
 long_description = file: README.rst
 url = https://github.com/open-formulieren/open-forms-ext-token-exchange