diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10e4da2ce..103f69246 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
-## [12.3.0] - WIP
+## [12.3.0] - 2021-12-09
 ### Changed
 - `StateInline.delimiters[].jump` is removed.
 
diff --git a/package.json b/package.json
index f4112f163..9a63d5367 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "markdown-it",
-  "version": "12.2.0",
+  "version": "12.3.0",
   "description": "Markdown-it - modern pluggable markdown parser.",
   "keywords": [
     "markdown",