diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3a855f..86ebae4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## [0.5.1](https://github.com/fgrehm/vagrant-cachier/compare/v0.5.0...master) (unreleased)
+
+
 ## [0.5.0](https://github.com/fgrehm/vagrant-cachier/compare/v0.4.1...v0.5.0) (Nov 8, 2013)
 
 FEATURES:
diff --git a/Gemfile.lock b/Gemfile.lock
index 6fdaab9..5d275ec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,7 +31,7 @@ GIT
 PATH
   remote: .
   specs:
-    vagrant-cachier (0.5.0)
+    vagrant-cachier (0.5.1.dev)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/vagrant-cachier/version.rb b/lib/vagrant-cachier/version.rb
index 2cf9731..878e200 100644
--- a/lib/vagrant-cachier/version.rb
+++ b/lib/vagrant-cachier/version.rb
@@ -1,5 +1,5 @@
 module VagrantPlugins
   module Cachier
-    VERSION = "0.5.0"
+    VERSION = "0.5.1.dev"
   end
 end