diff --git a/lib/rack/contrib/version.rb b/lib/rack/contrib/version.rb
index 4ef66f1..f718ac5 100644
--- a/lib/rack/contrib/version.rb
+++ b/lib/rack/contrib/version.rb
@@ -1,5 +1,5 @@
 module Rack
   module Contrib
-    VERSION = '2.3.0'
+    VERSION = '2.4.0'
   end
 end