diff --git a/CHANGELOG.md b/CHANGELOG.md
index 44dd771..53ea3e4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## [0.5.1](https://github.com/fgrehm/vagrant-cachier/compare/v0.5.0...master) (unreleased)
+## [0.5.1](https://github.com/fgrehm/vagrant-cachier/compare/v0.5.0...v0.5.1) (Dec 20, 2013)
 
 BUG FIXES:
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 5d275ec..a435a1b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,7 +31,7 @@ GIT
 PATH
   remote: .
   specs:
-    vagrant-cachier (0.5.1.dev)
+    vagrant-cachier (0.5.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/vagrant-cachier/version.rb b/lib/vagrant-cachier/version.rb
index 878e200..a423db7 100644
--- a/lib/vagrant-cachier/version.rb
+++ b/lib/vagrant-cachier/version.rb
@@ -1,5 +1,5 @@
 module VagrantPlugins
   module Cachier
-    VERSION = "0.5.1.dev"
+    VERSION = "0.5.1"
   end
 end