diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2024e113c..5c4b99ee4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v4.0.1
+
+* [Fix name collision in experimentalWatchApi code](https://github.com/TypeStrong/ts-loader/pull/737) - thanks @MLoughry!
+
 ## v4.0.0
 
 * Support webpack 4
diff --git a/package.json b/package.json
index 43accf7fb..4dde5dde4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ts-loader",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "TypeScript loader for webpack",
   "main": "index.js",
   "scripts": {