diff --git a/package.json b/package.json
index c51f2ae..bbb5ea4 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
 		"tester": "git+https://github.com/ymeine/tester#version/latest"
 	},
 	"dependencies": {
-		"lodash": "2.x",
+		"lodash": "4.x",
 		"prelude-ls": "1.x",
 		"fs.extra": "1.2.x",