diff --git a/API.md b/API.md
index d9fd227..1476dbd 100644
--- a/API.md
+++ b/API.md
@@ -5,7 +5,7 @@ Lightweight, effecient and modular ES6 version of tween.js
 
 **Kind**: global namespace  
 **License**: MIT  
-**Copyright**: 2017 @dalisoft and es6-tween contributors  
+**Copyright**: 2018 @dalisoft and es6-tween contributors  
 **Example**  
 ```js
 // ES6
diff --git a/LICENSE b/LICENSE
index 847067f..9b1bdd8 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2017 tween.js and es6-tween contributors
+Copyright (c) 2018 tween.js and es6-tween contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/package.json b/package.json
index c621ec2..1142814 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,8 @@
     "doc": "npx jsdoc --readme README.md --configure jsdoc.json --verbose",
     "doc-md": "npx jsdoc2md src/** > API.md",
     "test": "npx standard --verbose | npx snazzy && npx rollup -c && npx ava --verbose",
-    "fix": "npx standard --fix"
+    "fix": "npx standard --fix",
+    "precommit": "yarn test"
   },
   "repository": {
     "type": "git",