diff --git a/pkgs/applications/networking/instant-messengers/psi/default.nix b/pkgs/applications/networking/instant-messengers/psi/default.nix
index 0db1af883cb8..23f27b3caa9d 100644
--- a/pkgs/applications/networking/instant-messengers/psi/default.nix
+++ b/pkgs/applications/networking/instant-messengers/psi/default.nix
@@ -1,14 +1,14 @@
-{ stdenv, fetchurl, aspell, qt4, zlib, sox, libX11, xproto, libSM, libICE, qca2 }:
+{ stdenv, fetchurl, aspell, qt4, zlib, sox, libX11, xproto, libSM, libICE, qca2, pkgconfig }:
 
 stdenv.mkDerivation rec {
-  name = "psi-0.12.1";
+  name = "psi-0.14";
   
   src = fetchurl {
     url = "mirror://sourceforge/psi/${name}.tar.bz2";
-    sha256 = "0zi71fcia9amcasa6zrvfyghdpqa821iv2rkj53bq5dyvfm2y0m8";
+    sha256 = "1h54a1qryfva187sw9qnb4lv1d3h3lysqgw55v727swvslh4l0da";
   };
 
-  buildInputs = [aspell qt4 zlib sox libX11 xproto libSM libICE qca2];
+  buildInputs = [aspell qt4 zlib sox libX11 xproto libSM libICE qca2 pkgconfig];
 
   NIX_CFLAGS_COMPILE="-I${qca2}/include/QtCrypto";
   
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ee905a2d01c7..5f32294f6025 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9013,9 +9013,10 @@ let
   };
 
   psi = (import ../applications/networking/instant-messengers/psi) {
-    inherit stdenv fetchurl zlib aspell sox qt4;
+    inherit stdenv fetchurl zlib aspell sox pkgconfig;
     inherit (xlibs) xproto libX11 libSM libICE;
     qca2 = kde4.qca2;
+    qt4 = qt46;
   };
 
   putty = import ../applications/networking/remote/putty {