diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..1f80e04
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,12 @@
+## [4.0.1](https://github.com/rvagg/bole/compare/v4.0.0...v4.0.1) (2022-08-11)
+
+
+### Bug Fixes
+
+* windows7 os.hostname() throw error ([3b15a2e](https://github.com/rvagg/bole/commit/3b15a2e9de4073ec740b9a00b5018e21d56acbcc))
+
+
+### Trivial Changes
+
+* add auto test & release scripts ([2c38dcc](https://github.com/rvagg/bole/commit/2c38dcc8f89016b22188352fa7dfa977f58da434))
+* **deps:** bump actions/setup-node from 3.1.1 to 3.4.1 ([5ab14c5](https://github.com/rvagg/bole/commit/5ab14c5c2c91b8d3ed98f3c1e63ca4ac5b01584b))
diff --git a/package.json b/package.json
index 768841f..e3b074d 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,12 @@
 {
   "name": "bole",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "A tiny JSON logger",
   "main": "bole.js",
   "scripts": {
     "lint": "standard",
     "test": "npm run lint && node test.js",
-		"build": "true"
+    "build": "true"
   },
   "keywords": [
     "logging",