diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..47122c2
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,7 @@
+language: node_js
+
+node_js:
+  - "8"
+  - "7"
+  - "6"
+  - "4"
diff --git a/README.md b/README.md
index 778ae16..ca27eaa 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 classy-mst
 ==========
 
+[![build status](https://travis-ci.org/charto/classy-mst.svg?branch=master)](http://travis-ci.org/charto/classy-mst)
 [![npm version](https://img.shields.io/npm/v/classy-mst.svg)](https://www.npmjs.com/package/classy-mst)
 
 `classy-mst` is the ultimate state management solution for TypeScript and
diff --git a/package.json b/package.json
index acb64cf..f781793 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,12 @@
 {
   "name": "classy-mst",
-  "version": "0.4.1",
+  "version": "1.0.0",
   "description": "ES6-like syntax for mobx-state-tree",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "scripts": {
     "tsc": "tsc",
-    "prepublish": "tsc -p src && tsc -p src/ts-amd.json && node src/fix-amd.js",
+    "prepublish": "tsc -p src && tsc -p src/ts-amd.json && node src/fix-amd.js classy-mst",
     "test": "tsc -p test && node test/test.js"
   },
   "author": "Juha Järvi",