diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59ac3f3a..8532124e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## next
+## 4.2.0 (November 26, 2020)
 
 - Trim Custom Property values when possible (#393)
 - Fixed removing unit for zero-length dimentions in `min()`, `max()` and `clamp()` functions (#426)
diff --git a/package-lock.json b/package-lock.json
index d893874f..648d097f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "csso",
-  "version": "4.1.1",
+  "version": "4.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 3609acb6..e4485e67 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "csso",
-  "version": "4.1.1",
+  "version": "4.2.0",
   "description": "CSS minifier with structural optimisations",
   "homepage": "https://github.com/css/csso",
   "author": "Sergey Kryzhanovsky <skryzhanovsky@ya.ru> (https://github.com/afelix)",