Pin contacts to branch 'sk-update-mongojs'

services.js

@@ -43,7 +43,7 @@ module.exports =
 }, {
 	name: "contacts",
 	repo: "https://github.com/sharelatex/contacts-sharelatex.git",
-	version: "master"
+	version: "sk-update-mongojs"
 }, {
         name: "notifications",
         repo: "https://github.com/sharelatex/notifications-sharelatex.git",