diff --git a/CHANGELOG.md b/CHANGELOG.md
index 690eb7ca52..15b1a3b1cc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [10.4.0](https://github.com/streamich/react-use/compare/v10.3.1...v10.4.0) (2019-08-02)
+
+
+### Features
+
+* add useMountedState hook ([9081b99](https://github.com/streamich/react-use/commit/9081b99))
+
 ## [10.3.1](https://github.com/streamich/react-use/compare/v10.3.0...v10.3.1) (2019-08-02)
 
 
diff --git a/package.json b/package.json
index f961629a43..b0473dfd67 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-use",
-  "version": "10.3.1",
+  "version": "10.4.0",
   "description": "Collection of React Hooks",
   "main": "lib/index.js",
   "module": "esm/index.js",