diff --git a/pkgs/desktops/kde-4.8/support/akonadi/default.nix b/pkgs/desktops/kde-4.8/support/akonadi/default.nix
index 38ec7f859076..434a14463691 100644
--- a/pkgs/desktops/kde-4.8/support/akonadi/default.nix
+++ b/pkgs/desktops/kde-4.8/support/akonadi/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, cmake, qt4, shared_mime_info, libxslt, boost, automoc4, soprano }:
 
 stdenv.mkDerivation rec {
-  name = "akonadi-1.6.1";
+  name = "akonadi-1.6.90";
   
   src = fetchurl {
     url = "mirror://kde/stable/akonadi/src/${name}.tar.bz2";
-    sha256 = "0r8sw7m1pwqc7qkaczm0r8adqi1wvlhdp32gy3q5p5plq50xhgra";
+    sha256 = "0a35wkrrdk4k7kw1d4rvq4w4wwlmz9vk2nb4c2yibpn9rmc6ighn";
   };
 
   buildInputs = [ qt4 soprano libxslt boost ];