diff --git a/Vagrantfile b/Vagrantfile
index 0172061..3544b1f 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
 
-Vagrant.require_version ">= 1.5.0"
+Vagrant.require_version ">= 2.1.1"
 VAGRANTFILE_API_VERSION = '2'
 
 Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
--
libgit2 0.21.2