diff --git a/Gemfile.lock b/Gemfile.lock
index 7b4d3a2..a209c86 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,7 +15,7 @@ GIT
 PATH
   remote: .
   specs:
-    vagrant-lxc (0.3.3)
+    vagrant-lxc (0.4.0.dev)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/vagrant-lxc/version.rb b/lib/vagrant-lxc/version.rb
index 1078b54..7c00fe1 100644
--- a/lib/vagrant-lxc/version.rb
+++ b/lib/vagrant-lxc/version.rb
@@ -1,5 +1,5 @@
 module Vagrant
   module LXC
-    VERSION = "0.3.3"
+    VERSION = "0.4.0.dev"
   end
 end