diff --git a/pkgs/desktops/kde-4.5/default.nix b/pkgs/desktops/kde-4.5/default.nix
index a4b5d8fb4679..e8cb4ab56d3d 100644
--- a/pkgs/desktops/kde-4.5/default.nix
+++ b/pkgs/desktops/kde-4.5/default.nix
@@ -26,6 +26,8 @@ recurseIntoAttrs rec {
 
   ffmpeg = ffmpeg_0_6_90;
 
+  shared_desktop_ontologies = callPackage ./support/shared-desktop-ontologies { };
+
   kde = callPackage ./kde-package { inherit release; };
 
 ### SUPPORT
diff --git a/pkgs/desktops/kde-4.5/pim-runtime/default.nix b/pkgs/desktops/kde-4.5/pim-runtime/default.nix
index d92f1eecc73b..6fb6a44d38d4 100644
--- a/pkgs/desktops/kde-4.5/pim-runtime/default.nix
+++ b/pkgs/desktops/kde-4.5/pim-runtime/default.nix
@@ -12,7 +12,7 @@ kde.package rec {
 
   src = fetchurl {
     url = "mirror://kde/stable/kdepim-${meta.kde.version}/src/${meta.kde.name}-${meta.kde.version}.tar.bz2";
-    sha256 = "029a0i83b2yrc1xn9as7gc9rakpxjh5cjmqcmhrrj0xwalqz490n";
+    sha256 = "0w99jv0lzajmz9gvgss8gkgffm0lpqv3r6pzfsnqhrdhcf6h853y";
   };
 
   meta = {
@@ -21,7 +21,7 @@ kde.package rec {
     license = "GPL";
     kde = {
       name = "kdepim-runtime";
-      version = "4.4.8";
+      version = "4.4.9";
     };
   };
 }
diff --git a/pkgs/desktops/kde-4.5/pim/default.nix b/pkgs/desktops/kde-4.5/pim/default.nix
index cdcc3dc023db..5f7d5e06c48c 100644
--- a/pkgs/desktops/kde-4.5/pim/default.nix
+++ b/pkgs/desktops/kde-4.5/pim/default.nix
@@ -16,7 +16,7 @@ kde.package rec {
 
   src = fetchurl {
     url = "mirror://kde/stable/kdepim-${meta.kde.version}/src/${meta.kde.name}-${meta.kde.version}.tar.bz2";
-    sha256 = "02nbdn8s4504ljqz0qylm1jyw4hpg5fjw3vi6sbzm522xvkax4wh";
+    sha256 = "0pr1n6k51aadi8fsk7rkv0vrfl4y6llywxjkzci6if7g300yd8r8";
   };
 
   meta = {
@@ -28,7 +28,7 @@ kde.package rec {
     homepage = http://pim.kde.org;
     kde = {
       name = "kdepim";
-      version = "4.4.8";
+      version = "4.4.9";
     };
   };
 }
diff --git a/pkgs/desktops/kde-4.5/support/shared-desktop-ontologies/default.nix b/pkgs/desktops/kde-4.5/support/shared-desktop-ontologies/default.nix
new file mode 100644
index 000000000000..b4713794a03e
--- /dev/null
+++ b/pkgs/desktops/kde-4.5/support/shared-desktop-ontologies/default.nix
@@ -0,0 +1,22 @@
+{stdenv, fetchurl, cmake}:
+
+stdenv.mkDerivation rec {
+  name = "shared-desktop-ontologies-0.5";
+  src = fetchurl {
+    url = "mirror://sf/oscaf/${name}.tar.bz2";
+    sha256 = "1a1gs2b314133rg7vzwvnqbxchf7xgs0jpkydid5l2wz98m7j17r";
+  };
+  buildInputs = [ cmake ];
+  meta = with stdenv.lib; {
+    description = "Ontologies necessary for the Nepomuk semantic desktop";
+    longDescription = ''
+      The shared-desktop-ontologies package brings the semantic web to the
+      desktop in terms of vocabulary. It contains the well known core
+      ontologies such as RDF and RDFS as well as the Nepomuk ontologies which
+      are used by projects like KDE or Strigi.
+    '';
+    platforms = platforms.all;
+    maintainers = [ maintainers.sander maintainers.urkud ];
+  };
+}
+