diff --git a/CHANGELOG.md b/CHANGELOG.md
index d09e8f5d..8462d5e6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,11 @@
-## next
+## 5.0.0 (December 4, 2021)
 
 - Added support for [CSS Selectors Level 4](https://www.w3.org/TR/selectors-4/) and legacy pseudos in specificity calculation, i.e. `:has()`, `:not(<selector-list>)`, `:is()`, `:matches()`, `:-moz-any()`, `:-webkit-any()`, `:where()`, `:nth-child(... of <selector-list>)` and `:nth-last-child(... of <selector-list>)`
 - Package
     - Changed supported versions of Node.js to `^12.20.0`, `^14.13.0` and `>=15.0.0`
     - Converted to ES modules. However, CommonJS is supported as well (dual module)
     - Changed bundle set to provide `dist/csso.js` (an IIFE version with `csso` as a global name) and `dist/csso.esm.js` (as ES module). Both are minified
-    - Bumped `css-tree` to `2.0.1`
+    - Bumped `css-tree` to [`2.0`](https://github.com/csstree/csstree/releases/tag/v2.0.0)
 
 ## 4.2.0 (November 26, 2020)
 
diff --git a/package-lock.json b/package-lock.json
index 1ef85db9..0866ba4f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "csso",
-  "version": "4.2.0",
+  "version": "5.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index 2ff3d096..75313ba3 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,14 @@
 {
   "name": "csso",
-  "version": "4.2.0",
+  "version": "5.0.0",
   "description": "CSS minifier with structural optimisations",
   "author": "Sergey Kryzhanovsky <skryzhanovsky@ya.ru> (https://github.com/afelix)",
   "maintainers": [
-    "Roman Dvornov <rdvornov@gmail.com> (https://github.com/lahmatiy)"
+    {
+      "name": "Roman Dvornov",
+      "email": "rdvornov@gmail.com",
+      "github-username": "lahmatiy"
+    }
   ],
   "repository": "css/csso",
   "license": "MIT",