diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1366833..4060ef4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,16 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+<a name="4.0.0"></a>
+# [4.0.0](https://github.com/sappira-inc/molekule/compare/v3.5.7...v4.0.0) (2019-07-18)
+
+
+### Features
+
+* Checkbox color updates & Extending theme based styling to variants ([#46](https://github.com/sappira-inc/molekule/issues/46)) ([6f3569f](https://github.com/sappira-inc/molekule/commit/6f3569f))
+
+
+
 <a name="3.5.7"></a>
 ## [3.5.7](https://github.com/sappira-inc/molekule/compare/v3.5.6...v3.5.7) (2019-06-21)
 
diff --git a/package-lock.json b/package-lock.json
index a85c56b..33c6fd3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "molekule",
-  "version": "3.5.7",
+  "version": "4.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 1a9d1b3..2f3690a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "molekule",
   "description": "React component library built on top of styled-components and styled-system",
-  "version": "3.5.7",
+  "version": "4.0.0",
   "main": "lib/molekule.js",
   "module": "lib/molekule.es.js",
   "files": [