diff --git a/pkgs/applications/graphics/xaos/default.nix b/pkgs/applications/graphics/xaos/default.nix
index 307c94779296..cddbc212c190 100644
--- a/pkgs/applications/graphics/xaos/default.nix
+++ b/pkgs/applications/graphics/xaos/default.nix
@@ -2,7 +2,7 @@ a :
 let 
   fetchurl = a.fetchurl;
 
-  version = a.lib.attrByPath ["version"] "3.5" a; 
+  version = a.lib.attrByPath ["version"] "3.6" a; 
   buildInputs = with a; [
     aalib gsl libpng libX11 xproto libXext xextproto 
     libXt zlib gettext intltool perl
@@ -11,7 +11,7 @@ in
 rec {
   src = fetchurl {
     url = "mirror://sourceforge/xaos/xaos-${version}.tar.gz";
-    sha256 = "0hj8sxya4s9rc1m4xvxj00jgiczi3ljf2zvrhx34r3ja2m9af7s7";
+    sha256 = "15cd1cx1dyygw6g2nhjqq3bsfdj8sj8m4va9n75i0f3ryww3x7wq";
   };
 
   inherit buildInputs;