diff --git a/changelog.md b/changelog.md
index 2be45f5..8a81d0e 100644
--- a/changelog.md
+++ b/changelog.md
@@ -6,10 +6,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## [3.12.0]
+
+### Added
+
+- Support for `missing` in sort order
+
 ## [3.11.0]
 
 ### Added
-- Support for PHP8.3.
+- Support for PHP8.3
 
 ## [3.10.0]