diff --git a/Gruntfile.js b/Gruntfile.js
index ccaa6c168061e630231b37844279e7beaba2c799..b4b42fe486b9c363af2096848d387a2e25518884 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -5,7 +5,7 @@ module.exports = function(grunt) {
 	grunt.initConfig({
 		pkg: grunt.file.readJSON('package.json'),
 		jshint: {
-			files: ['Gruntfile.js', 'src/main/webapp/js/**/*.js'],
+			files: ['Gruntfile.js', 'src/main/webapp/js/**/*.js', '!src/main/webapp/js/lib/**/*.js'],
 			options: {
 				browser: true,
 				expr: true,