diff --git a/CHANGELOG.md b/CHANGELOG.md
index 84a5563..6b230d6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 23.6 (in development)
+## 23.6 (2023-12-22)
 
 - Use ruff instead of black for formatting (#392).
 - Remove support for Python 3.7 (EOL) (#388).
diff --git a/pyproject.toml b/pyproject.toml
index 5206354..6aee67c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ license = {file = "LICENSE"}
 name = "django-marina"
 readme = "README.md"
 requires-python = ">=3.8"
-version = "23.5.dev1"
+version = "23.6"
 
 [project.urls]
 Changelog = "https://github.com/zostera/django-marina/blob/main/CHANGELOG.md"