diff --git a/Formula/smartmontools.rb b/Formula/smartmontools.rb
index fb2eb72018..a635e62dd8 100644
--- a/Formula/smartmontools.rb
+++ b/Formula/smartmontools.rb
@@ -1,9 +1,9 @@
 require 'formula'
 
 class Smartmontools <Formula
-  url 'http://downloads.sourceforge.net/project/smartmontools/smartmontools/5.39.1/smartmontools-5.39.1.tar.gz'
+  url 'http://downloads.sourceforge.net/project/smartmontools/smartmontools/5.40/smartmontools-5.40.tar.gz'
   homepage 'http://sourceforge.net/apps/trac/smartmontools/'
-  md5 'f6f7380ae45587161c0adae8862110e9'
+  md5 '0f0be0239914ad87830a4fff594bda5b'
 
   def install
     system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}"