diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0dc9bd..1c135a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # Changlog
 
 ## master (unreleased)
+
+## v4.0.1 - 14 May 2014
  * Add throttle discriminator to rack env (thanks @blahed)
 
 ## v4.0.0 - 28 April 2014
diff --git a/lib/rack/attack/version.rb b/lib/rack/attack/version.rb
index 5f8980e..cd37f2c 100644
--- a/lib/rack/attack/version.rb
+++ b/lib/rack/attack/version.rb
@@ -1,5 +1,5 @@
 module Rack
   class Attack
-    VERSION = '4.0.0'
+    VERSION = '4.0.1'
   end
 end