Gemfile in vagrant-managed-servers-0.4.0 vs Gemfile in vagrant-managed-servers-0.4.1

@@ -4,12 +4,10 @@
 
 group :development do
   # We depend on Vagrant for development, but we don't add it as a
   # gem dependency because we expect to be installed within the
   # Vagrant environment itself using `vagrant plugin`.
-  gem "vagrant", "1.6.3",
-    git: "https://github.com/mitchellh/vagrant.git",
-    ref: "v1.6.3"
+  gem "vagrant", git: "https://github.com/mitchellh/vagrant.git"
 end
 
 group :plugins do
   gem "vagrant-managed-servers", path: "."
   gem "vagrant-omnibus", "1.4.1"
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