diff --git a/pkgs/desktops/gnome-3/3.20/core/gnome-software/default.nix b/pkgs/desktops/gnome-3/3.20/core/gnome-software/default.nix
new file mode 100644
index 000000000000..e05a28fcd8df
--- /dev/null
+++ b/pkgs/desktops/gnome-3/3.20/core/gnome-software/default.nix
@@ -0,0 +1,27 @@
+{ stdenv, fetchurl, pkgconfig, intltool, gnome3, wrapGAppsHook, packagekit
+, appstream-glib, libsoup, polkit, attr, acl, libyaml, isocodes, gtkspell3
+, json_glib }:
+
+stdenv.mkDerivation rec {
+  inherit (import ./src.nix fetchurl) name src;
+
+  nativeBuildInputs = [ pkgconfig intltool wrapGAppsHook ];
+  buildInputs = [ gnome3.gtk packagekit appstream-glib libsoup
+                  gnome3.gsettings_desktop_schemas gnome3.gnome_desktop
+		  gtkspell3 json_glib
+                  polkit attr acl libyaml ];
+  propogatedBuildInputs = [ isocodes ];
+
+  postInstall = ''
+    mkdir -p $out/share/xml/
+    ln -s ${isocodes}/share/xml/iso-codes $out/share/xml/iso-codes
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = https://www.freedesktop.org/software/PackageKit/;
+    platforms = platforms.linux;
+    maintainers = gnome3.maintainers;
+    license = licenses.gpl2;
+    description = "GNOME Software lets you install and update applications and system extensions.";
+  };
+}
diff --git a/pkgs/desktops/gnome-3/3.20/core/gnome-software/src.nix b/pkgs/desktops/gnome-3/3.20/core/gnome-software/src.nix
new file mode 100644
index 000000000000..4d377903cc1d
--- /dev/null
+++ b/pkgs/desktops/gnome-3/3.20/core/gnome-software/src.nix
@@ -0,0 +1,10 @@
+# Autogenerated by maintainers/scripts/gnome.sh update
+
+fetchurl: {
+  name = "gnome-software-3.20.0";
+
+  src = fetchurl {
+    url = mirror://gnome/sources/gnome-software/3.20/gnome-software-3.20.0.tar.xz;
+    sha256 = "0w0bp29fm13a235gq8vylihzjfxx20ri46w4w2syaw0cixxihbix";
+  };
+}
diff --git a/pkgs/desktops/gnome-3/3.20/default.nix b/pkgs/desktops/gnome-3/3.20/default.nix
index 4e00db3962e2..317b9fc13cec 100644
--- a/pkgs/desktops/gnome-3/3.20/default.nix
+++ b/pkgs/desktops/gnome-3/3.20/default.nix
@@ -3,7 +3,7 @@
 let
 
   pkgsFun = overrides:
-    let 
+    let
       self = self_ // overrides;
       self_ = with self; {
 
@@ -35,7 +35,7 @@ let
     gnome-clocks gnome-music gnome-tweak-tool gnome-photos
     nautilus-sendto dconf-editor vinagre gnome-weather gnome-logs
     gnome-maps gnome-characters gnome-calendar accerciser gnome-nettool
-    gnome-getting-started-docs
+    gnome-getting-started-docs gnome-packagekit gnome-software
   ];
 
   gamesPackages = with gnome3; [ swell-foop lightsoff iagno
@@ -149,6 +149,8 @@ let
 
   gnome_settings_daemon = callPackage ./core/gnome-settings-daemon { };
 
+  gnome-software = callPackage ./core/gnome-software { };
+
   gnome-system-log = callPackage ./core/gnome-system-log { };
 
   gnome-system-monitor = callPackage ./core/gnome-system-monitor { };
@@ -359,13 +361,13 @@ let
 
   california = callPackage ./misc/california { };
 
-  geary = callPackage ./misc/geary { 
+  geary = callPackage ./misc/geary {
     webkitgtk = webkitgtk24x;
   };
 
   gfbgraph = callPackage ./misc/gfbgraph { };
 
-  gitg = callPackage ./misc/gitg { 
+  gitg = callPackage ./misc/gitg {
     webkitgtk = webkitgtk24x;
   };
 
@@ -391,6 +393,8 @@ let
 
   gnome-video-effects = callPackage ./misc/gnome-video-effects { };
 
+  gnome-packagekit = callPackage ./misc/gnome-packagekit { };
+
     };
   in self; # pkgsFun
 
diff --git a/pkgs/desktops/gnome-3/3.20/misc/gnome-packagekit/default.nix b/pkgs/desktops/gnome-3/3.20/misc/gnome-packagekit/default.nix
new file mode 100644
index 000000000000..ee3dd60e59ad
--- /dev/null
+++ b/pkgs/desktops/gnome-3/3.20/misc/gnome-packagekit/default.nix
@@ -0,0 +1,20 @@
+{ stdenv, fetchurl, pkgconfig, intltool, gnome3, libxslt, packagekit
+, fontconfig, libcanberra_gtk3, libnotify, wrapGAppsHook, dbus_glib, dbus_libs }:
+
+stdenv.mkDerivation rec {
+  inherit (import ./src.nix fetchurl) name src;
+
+  NIX_CFLAGS_COMPILE = "-I${dbus_glib.dev}/include/dbus-1.0 -I${dbus_libs.dev}/include/dbus-1.0";
+
+  nativeBuildInputs = [ pkgconfig intltool wrapGAppsHook ];
+  buildInputs = [ libxslt gnome3.gtk packagekit fontconfig
+                  libcanberra_gtk3 libnotify dbus_glib dbus_libs ];
+
+  meta = with stdenv.lib; {
+    homepage = https://www.freedesktop.org/software/PackageKit/;
+    platforms = platforms.linux;
+    maintainers = gnome3.maintainers;
+    license = licenses.gpl2;
+    description = "Tools for installing software on the GNOME desktop using PackageKit";
+  };
+}
diff --git a/pkgs/desktops/gnome-3/3.20/misc/gnome-packagekit/src.nix b/pkgs/desktops/gnome-3/3.20/misc/gnome-packagekit/src.nix
new file mode 100644
index 000000000000..71de360f24f6
--- /dev/null
+++ b/pkgs/desktops/gnome-3/3.20/misc/gnome-packagekit/src.nix
@@ -0,0 +1,10 @@
+# Autogenerated by maintainers/scripts/gnome.sh update
+
+fetchurl: {
+  name = "gnome-packagekit-3.20.0";
+
+  src = fetchurl {
+    url = mirror://gnome/sources/gnome-packagekit/3.20/gnome-packagekit-3.20.0.tar.xz;
+    sha256 = "0wf5r0qrdlalbr73fpfaapq61vlya3nwygsv4wm2bxaf56v5sjmq";
+  };
+}