diff --git a/lib/rack.rb b/lib/rack.rb
index e34b435bb..2c7e6b46e 100644
--- a/lib/rack.rb
+++ b/lib/rack.rb
@@ -20,7 +20,7 @@ def self.version
     VERSION.join(".")
   end
 
-  RELEASE = "2.1.4.3"
+  RELEASE = "2.1.4.4"
 
   # Return the Rack release as a dotted string.
   def self.release