diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 8a0cf2f..686a26d 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,6 +2,14 @@
 Changelog
 =========
 
+0.21.0 (2024-12-09)
+===================
+
+Some changes to prepare the django-setup-configuration YAML format for when support
+for multiple configurations is added:
+* Add ``identifier`` field to YAML data to setup configuration
+* Modify format of YAML data to accept list of configurations
+
 0.20.0 (2024-12-03)
 ===================
 
diff --git a/README.rst b/README.rst
index bfc5369..cadd350 100644
--- a/README.rst
+++ b/README.rst
@@ -7,7 +7,7 @@
 mozilla-django-oidc-db
 ======================
 
-:Version: 0.20.0
+:Version: 0.21.0
 :Source: https://github.com/maykinmedia/mozilla-django-oidc-db
 :Keywords: OIDC, django, database, authentication
 
diff --git a/docs/conf.py b/docs/conf.py
index 2b5c33d..7cb746c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -29,7 +29,7 @@
 author = "Maykin Media"
 
 # The full version, including alpha/beta/rc tags
-release = "0.20.0"
+release = "0.21.0"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyproject.toml b/pyproject.toml
index 5d12242..7a45819 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "mozilla-django-oidc-db"
-version = "0.20.0"
+version = "0.21.0"
 description = "A database-backed configuration for mozilla-django-oidc"
 authors = [
     {name = "Maykin Media", email = "support@maykinmedia.nl"}
@@ -96,7 +96,7 @@ markers = [
 ]
 
 [tool.bumpversion]
-current_version = "0.20.0"
+current_version = "0.21.0"
 files = [
     {filename = "pyproject.toml"},
     {filename = "README.rst"},