diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73ed89ce..36c1d6f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## next
+## 2.1.0 (February 17, 2021)
 
 - Bumped `mdn-data` to `2.0.27`
 - Added `module` field to `package.json`
diff --git a/package-lock.json b/package-lock.json
index ca6514f8..06cdf1a7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "css-tree",
-  "version": "2.0.4",
+  "version": "2.1.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "css-tree",
-      "version": "2.0.4",
+      "version": "2.1.0",
       "license": "MIT",
       "dependencies": {
         "mdn-data": "2.0.27",
diff --git a/package.json b/package.json
index 646a644e..5b05f16d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "css-tree",
-  "version": "2.0.4",
+  "version": "2.1.0",
   "description": "A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations",
   "author": "Roman Dvornov <rdvornov@gmail.com> (https://github.com/lahmatiy)",
   "license": "MIT",