diff --git a/Gruntfile.js b/Gruntfile.js
index beef88b015..e61c643019 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -84,7 +84,8 @@ module.exports = function ( grunt ) {
 		jsonlint: {
 			all: [
 				'**/*.json',
-				'!node_modules/**'
+				'!node_modules/**',
+				'!lib/**'
 			]
 		},
 		copy: {