diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7b9e0f..4ae0722 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [2.1.1](https://github.com/yeutech-lab/react-router-dom-utils/compare/v2.1.0...v2.1.1) (2019-02-24)
+
+
+### Bug Fixes
+
+* **copy:** using shallow copy in all utilities ([d9286b6](https://github.com/yeutech-lab/react-router-dom-utils/commit/d9286b6))
+
 # [2.1.0](https://github.com/yeutech-lab/react-router-dom-utils/compare/v2.0.3...v2.1.0) (2019-02-23)
 
 
diff --git a/package.json b/package.json
index 3fffbcf..5c02f0b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@yeutech-lab/react-router-dom-utils",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "description": "Utilities for web applications that use react-router-dom",
   "main": "lib/index.js",
   "jsnext:main": "dist/@yeutech-lab/react-router-dom-utils.esm.js",