diff --git a/package.json b/package.json
index 15d13a6fe3..8e57639e57 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "resolve": "~0.2.3",
     "expect.js": "~0.2.0",
     "relative-date": "~1.1.1",
-    "lodash": "~1.3.1",
+    "lodash": "~2.2.1",
     "async": "~0.2.9",
     "optimist": "~0.5.2",
     "mongoose": "~3.6.20",
diff --git a/public/js/controllers/groupsCtrl.js b/public/js/controllers/groupsCtrl.js
index 893e7e37d0..5747e20be0 100644
--- a/public/js/controllers/groupsCtrl.js
+++ b/public/js/controllers/groupsCtrl.js
@@ -47,9 +47,9 @@ habitrpg.controller("GroupsCtrl", ['$scope', '$rootScope', 'Groups', '$http', 'A
         if(yes){
           group.$removeMember({uuid: member._id});
           if(isMember){
-            group.members = _.without(group.members, member);
+            _.pull(group.members, member);
           }else{
-            group.invites = _.without(group.invites, member);
+            _.pull(group.invites, member);
           }
         }
       }
@@ -169,7 +169,7 @@ habitrpg.controller("GroupsCtrl", ['$scope', '$rootScope', 'Groups', '$http', 'A
           // remove user from group members if guild is public so that he can re-join it immediately
           if(group.privacy == 'public'){
             // slow when a lot of members...? probably yes
-            group.members = _.without(group.members, User.user._id);
+            _.remove(group.members, {_id: User.user._id});
             group.memberCount--;
           }
           $state.go('options.social.guilds');
diff --git a/src/controllers/groups.js b/src/controllers/groups.js
index 1318d67a8b..6bc453b95d 100644
--- a/src/controllers/groups.js
+++ b/src/controllers/groups.js
@@ -243,7 +243,7 @@ api.deleteChatMessage = function(req, res, next){
     return res.json(401, {err: "Not authorized to delete this message!"})
   }
 
-  group.chat = _.without(group.chat, message);
+  _.pull(group.chat, message);
   
   group.save(function(err, data){
     if(err) return res.json(500, {err: err});