diff --git a/pkgs/development/libraries/libsigcxx/default.nix b/pkgs/development/libraries/libsigcxx/default.nix
index 6d19ce55d3d..c8aa87b26e0 100644
--- a/pkgs/development/libraries/libsigcxx/default.nix
+++ b/pkgs/development/libraries/libsigcxx/default.nix
@@ -1,14 +1,14 @@
-{stdenv, fetchurl, pkgconfig}:
+{ stdenv, fetchurl, pkgconfig, gnum4 }:
 
 stdenv.mkDerivation rec {
-  name = "libsigc++-2.2.3";
+  name = "libsigc++-2.2.10";
   
   src = fetchurl {
-    url = "http://ftp.gnome.org/pub/GNOME/sources/libsigc++/2.2/${name}.tar.bz2";
-    sha256 = "0hjh7834mbp2n5qnc7n1r3l70j9g06ibv7kbmhix9b101w6ypnak";
+    url = "http://ftp.gnome.org/pub/GNOME/sources/libsigc++/2.2/${name}.tar.xz";
+    sha256 = "8ceb6f2732f5399ef50d5b70f433d49945a12e0900b8f9f43c135866a2e5bf47";
   };
 
-  buildInputs = [pkgconfig];
+  buildInputs = [ pkgconfig gnum4 ];
 
   meta = {
     homepage = http://libsigc.sourceforge.net/;