diff --git a/Formula/hydra.rb b/Formula/hydra.rb
index fe38fa3417..0e07029c33 100644
--- a/Formula/hydra.rb
+++ b/Formula/hydra.rb
@@ -1,9 +1,9 @@
 require 'formula'
 
 class Hydra < Formula
-  url 'http://freeworld.thc.org/releases/hydra-5.7-src.tar.gz'
+  url 'http://freeworld.thc.org/releases/hydra-5.9.1-src.tar.gz'
   homepage 'http://freeworld.thc.org/thc-hydra/'
-  md5 'a8ad06ed726208800ca9a3c09aaf9cf7'
+  md5 '6ec19a3125891267a4ac856b2afe15b6'
 
   def install
     system "./configure", "--disable-xhydra", "--disable-debug", "--disable-dependency-tracking", "--prefix=#{prefix}"