diff --git a/jsduck.gemspec b/jsduck.gemspec
index 12c4d9c41..c394e199d 100644
--- a/jsduck.gemspec
+++ b/jsduck.gemspec
@@ -2,8 +2,8 @@ Gem::Specification.new do |s|
   s.required_rubygems_version = ">= 1.3.5"
 
   s.name = 'jsduck'
-  s.version = '4.0.0'
-  s.date = '2012-08-09'
+  s.version = '4.0.1'
+  s.date = '2012-08-21'
   s.summary = "Simple JavaScript Duckumentation generator"
   s.description = "Documentation generator for Sencha JS frameworks"
   s.homepage = "https://github.com/senchalabs/jsduck"
diff --git a/lib/jsduck/options.rb b/lib/jsduck/options.rb
index 88041ad4f..7d0c1b60e 100644
--- a/lib/jsduck/options.rb
+++ b/lib/jsduck/options.rb
@@ -79,7 +79,7 @@ def initialize
       @ext4_events = nil
       @meta_tag_paths = []
 
-      @version = "4.0.0"
+      @version = "4.0.1"
 
       # Customizing output
       @title = "Documentation - JSDuck"