diff --git a/package.json b/package.json
index 25cb739..1dcb81c 100644
--- a/package.json
+++ b/package.json
@@ -90,7 +90,7 @@
     "handlebars": "^4.0.2",
     "js-beautify": "^1.6.2",
     "jscs": "^2.1.1",
-    "lodash": "3.10.1",
+    "lodash": "4.6.1",
     "loophole": "^1.0.0",
     "node-dir": "^0.1.8",
     "node-uuid": "^1.4.3",
diff --git a/src/beautifiers/index.coffee b/src/beautifiers/index.coffee
index 53067d4..7b913c7 100644
--- a/src/beautifiers/index.coffee
+++ b/src/beautifiers/index.coffee
@@ -308,7 +308,7 @@ module.exports = class Beautifiers extends EventEmitter
     _.filter( @beautifiers, (beautifier) ->
 
       # logger.verbose('beautifier',beautifier, language)
-      _.contains(beautifier.languages, language)
+      _.includes(beautifier.languages, language)
     )
 
   getBeautifierForLanguage : (language) ->
diff --git a/src/languages/index.coffee b/src/languages/index.coffee
index 5a699dc..f376d7c 100644
--- a/src/languages/index.coffee
+++ b/src/languages/index.coffee
@@ -91,6 +91,6 @@ module.exports = class Languages
     _.union(
       _.filter(@languages, (language) -> _.isEqual(language.name, name))
       _.filter(@languages, (language) -> _.isEqual(language.namespace, namespace))
-      _.filter(@languages, (language) -> _.contains(language.grammars, grammar))
-      _.filter(@languages, (language) -> _.contains(language.extensions, extension))
+      _.filter(@languages, (language) -> _.includes(language.grammars, grammar))
+      _.filter(@languages, (language) -> _.includes(language.extensions, extension))
     )