diff --git a/CHANGELOG.md b/CHANGELOG.md
index 869fb8249..d0cf77b62 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,27 @@
+2.15.1 (2023-12-21)
+===================
+
+[Full commit log](https://github.com/s9e/TextFormatter/compare/3eccb693643b65b2ffcda4baa34bd435c3b578f0...25714e6dc8e63f62f370018fa31426ff2f7393a8)
+
+### Added
+
+ - `e1ec00821` AbstractNormalization: added workaround for weird DOM quirks
+ - `07f2468de` MediaEmbed: added Twitter oEmbed endpoint
+
+### Fixed
+
+ - `e595860bb` DisallowUnsupportedXSL: fixed the range of allowed characters in dynamic attributes
+
+### Changed
+
+ - `25714e6dc` Bumped the requirements for s9e/sweetdom
+ - `14d759679` OptimizeChoose: minor code simplification
+ - `31ae9abd5` OptimizeChoose: reorganized code
+ - `fc9795083` OptimizeChooseText: remove empty text nodes during optimization
+ - `d8e08b723` UninlineAttributes: refactored how xsl:attribute elements are created
+ - `195118a53` Updated dependencies
+
+
 2.15.0 (2023-12-03)
 ===================
 
diff --git a/composer.json b/composer.json
index 85232092d..302f819dd 100644
--- a/composer.json
+++ b/composer.json
@@ -43,6 +43,6 @@
 		"test":            "phpunit --exclude-group ''"
 	},
 	"extra": {
-		"version": "2.15.1-dev"
+		"version": "2.15.1"
 	}
 }
\ No newline at end of file