diff --git a/pkgs/applications/networking/umurmur/default.nix b/pkgs/applications/networking/umurmur/default.nix
index 715e7fa6998f..1f08b9873d44 100644
--- a/pkgs/applications/networking/umurmur/default.nix
+++ b/pkgs/applications/networking/umurmur/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, openssl, protobufc, libconfig }:
 
 stdenv.mkDerivation rec {
-  name = "umurmur-0.2.12";
+  name = "umurmur-0.2.13";
   
   src = fetchurl {
     url = "http://umurmur.googlecode.com/files/${name}.tar.gz";
-    sha1 = "5be3c765af3c5f518d1e1bbd828b3582ad4097cd";
+    sha1 = "c9345b67213f52688fef2113132c62d2edbf4bea";
   };
   
   buildInputs = [ openssl protobufc libconfig ];