diff --git a/CHANGELOG.md b/CHANGELOG.md
index 823a724..e20a330 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [2.6.1](https://github.com/reactjs/react-transition-group/compare/v2.6.0...v2.6.1) (2019-03-14)
+
+
+### Bug Fixes
+
+* **package.json:** mark react-transition-group as side-effect free for webpack tree shaking ([#472](https://github.com/reactjs/react-transition-group/issues/472)) ([b81dc89](https://github.com/reactjs/react-transition-group/commit/b81dc89))
+
 # [2.6.0](https://github.com/reactjs/react-transition-group/compare/v2.5.3...v2.6.0) (2019-02-26)
 
 
diff --git a/package.json b/package.json
index 3c8a217..627bd78 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-transition-group",
-  "version": "2.6.0",
+  "version": "2.6.1",
   "description": "A react component toolset for managing animations",
   "main": "lib/index.js",
   "scripts": {