diff --git a/pkgs/desktops/plasma-5.5/fetchsrcs.sh b/pkgs/desktops/plasma-5.5/fetchsrcs.sh
index e9b551f86b9..7ccb8e3a2e2 100755
--- a/pkgs/desktops/plasma-5.5/fetchsrcs.sh
+++ b/pkgs/desktops/plasma-5.5/fetchsrcs.sh
@@ -4,7 +4,7 @@
 set -x
 
 # The trailing slash at the end is necessary!
-RELEASE_URL="http://download.kde.org/unstable/plasma/5.4.95/"
+RELEASE_URL="http://download.kde.org/stable/plasma/5.5.0/"
 EXTRA_WGET_ARGS='-A *.tar.xz'
 
 mkdir tmp; cd tmp
diff --git a/pkgs/desktops/plasma-5.5/kscreen.nix b/pkgs/desktops/plasma-5.5/kscreen.nix
index 64fcab343e4..113c2565d07 100644
--- a/pkgs/desktops/plasma-5.5/kscreen.nix
+++ b/pkgs/desktops/plasma-5.5/kscreen.nix
@@ -10,9 +10,21 @@ plasmaPackage {
     makeQtWrapper
   ];
   buildInputs = [
-    kconfig kconfigwidgets kdbusaddons kwidgetsaddons kxmlgui
+    kconfig
+    kconfigwidgets
+    kdbusaddons
+    kwidgetsaddons
+    kxmlgui
+  ];
+  propagatedBuildInputs = [
+    kglobalaccel
+    ki18n
+    libkscreen
+    qtdeclarative
+  ];
+  propagatedUserEnvPkgs = [
+    libkscreen  # D-Bus service
   ];
-  propagatedBuildInputs = [ kglobalaccel ki18n libkscreen qtdeclarative ];
   postInstall = ''
     wrapQtProgram "$out/bin/kscreen-console"
   '';
diff --git a/pkgs/desktops/plasma-5.5/plasma-desktop/default.nix b/pkgs/desktops/plasma-5.5/plasma-desktop/default.nix
index 843a7c03c43..a73060ad1af 100644
--- a/pkgs/desktops/plasma-5.5/plasma-desktop/default.nix
+++ b/pkgs/desktops/plasma-5.5/plasma-desktop/default.nix
@@ -18,16 +18,46 @@ plasmaPackage rec {
     makeQtWrapper
   ];
   buildInputs = [
-    attica boost fontconfig kcmutils kdbusaddons kded kitemmodels
-    knewstuff knotifications knotifyconfig kwallet libcanberra_kde
-    libXcursor libpulseaudio libXft libxkbfile phonon
-    qtsvg xf86inputevdev xf86inputsynaptics
-    xkeyboard_config xinput
+    attica
+    boost
+    fontconfig
+    kcmutils
+    kdbusaddons
+    kded
+    kitemmodels
+    knewstuff
+    knotifications
+    knotifyconfig
+    kwallet
+    libcanberra_kde
+    libXcursor
+    libpulseaudio
+    libXft
+    libxkbfile
+    phonon
+    qtsvg
+    xf86inputevdev
+    xf86inputsynaptics
+    xkeyboard_config
+    xinput
   ];
   propagatedBuildInputs = [
-    baloo kactivities kauth kdeclarative kdelibs4support kemoticons
-    kglobalaccel ki18n kpeople krunner kwin plasma-framework
-    plasma-workspace qtdeclarative qtquick1 qtquickcontrols
+    baloo
+    kactivities
+    kauth
+    kdeclarative
+    kdelibs4support
+    kemoticons
+    kglobalaccel
+    ki18n
+    kpeople
+    krunner
+    kwin
+    plasma-framework
+    plasma-workspace
+    qtdeclarative
+    qtquick1
+    qtquickcontrols
     qtx11extras
   ];
   # All propagatedBuildInputs should be present in the profile because
diff --git a/pkgs/desktops/plasma-5.5/plasma-workspace/0001-qt-5.5-QML-import-paths.patch b/pkgs/desktops/plasma-5.5/plasma-workspace/0001-qt-5.5-QML-import-paths.patch
index 251e1260e66..fd0d596243b 100644
--- a/pkgs/desktops/plasma-5.5/plasma-workspace/0001-qt-5.5-QML-import-paths.patch
+++ b/pkgs/desktops/plasma-5.5/plasma-workspace/0001-qt-5.5-QML-import-paths.patch
@@ -1,4 +1,4 @@
-From 1b95c8c95fb8ea097bb5236b19962c7feff9f333 Mon Sep 17 00:00:00 2001
+From ec91088ec46358f39a0374b910cd776993c63acf Mon Sep 17 00:00:00 2001
 From: Thomas Tuegel <ttuegel@gmail.com>
 Date: Mon, 19 Oct 2015 18:55:36 -0500
 Subject: [PATCH 1/2] qt-5.5 QML import paths
@@ -80,7 +80,7 @@ index a086581..6e1e8be 100755
  Item {
      id: batterymonitor
 diff --git a/applets/lock_logout/contents/ui/lockout.qml b/applets/lock_logout/contents/ui/lockout.qml
-index d32e7b7..828c5fb 100644
+index 80e7e53..0083cf0 100644
 --- a/applets/lock_logout/contents/ui/lockout.qml
 +++ b/applets/lock_logout/contents/ui/lockout.qml
 @@ -23,7 +23,7 @@ import org.kde.plasma.plasmoid 2.0
diff --git a/pkgs/desktops/plasma-5.5/plasma-workspace/0002-startkde-NixOS-patches.patch b/pkgs/desktops/plasma-5.5/plasma-workspace/0002-startkde-NixOS-patches.patch
index d8f3e669bc7..4b458580633 100644
--- a/pkgs/desktops/plasma-5.5/plasma-workspace/0002-startkde-NixOS-patches.patch
+++ b/pkgs/desktops/plasma-5.5/plasma-workspace/0002-startkde-NixOS-patches.patch
@@ -1,6 +1,6 @@
-From 8e5cf662d55415a838ce8c53f854202257e9feb4 Mon Sep 17 00:00:00 2001
+From e5c11a5efc4f8e8ba4e89e0172220da921df38c6 Mon Sep 17 00:00:00 2001
 From: Thomas Tuegel <ttuegel@gmail.com>
-Date: Sun, 22 Nov 2015 08:31:42 -0600
+Date: Wed, 9 Dec 2015 13:20:02 -0600
 Subject: [PATCH 2/2] startkde NixOS patches
 
 ---
@@ -8,7 +8,7 @@ Subject: [PATCH 2/2] startkde NixOS patches
  1 file changed, 89 insertions(+), 122 deletions(-)
 
 diff --git a/startkde/startkde.cmake b/startkde/startkde.cmake
-index 41a8975..130578e 100644
+index 37ab5cd..130578e 100644
 --- a/startkde/startkde.cmake
 +++ b/startkde/startkde.cmake
 @@ -1,8 +1,31 @@
@@ -121,7 +121,7 @@ index 41a8975..130578e 100644
 -    }
 -
 -    oxygenDir=$fontsDir/oxygen
--    prefixDir="@@KDE_INSTALL_FULL_DATADIR@/fonts/oxygen"
+-    prefixDir="@KDE_INSTALL_FULL_DATADIR@/fonts/oxygen"
 -
 -    # if the oxygen dir doesn't exist, create a symlink to be sure that the
 -    # Oxygen font is available to the user
diff --git a/pkgs/desktops/plasma-5.5/plasma-workspace/default.nix b/pkgs/desktops/plasma-5.5/plasma-workspace/default.nix
index bf8b0304a41..78db6e51511 100644
--- a/pkgs/desktops/plasma-5.5/plasma-workspace/default.nix
+++ b/pkgs/desktops/plasma-5.5/plasma-workspace/default.nix
@@ -49,7 +49,6 @@ plasmaPackage rec {
     wrapQtProgram "$out/bin/kcheckrunning"
     wrapQtProgram "$out/bin/systemmonitor"
     wrapQtProgram "$out/bin/kstartupconfig5"
-    wrapQtProgram "$out/bin/startplasmacompositor"
     wrapQtProgram "$out/bin/kdostartupconfig5"
     wrapQtProgram "$out/bin/klipper"
     wrapQtProgram "$out/bin/kuiserver5"
@@ -57,6 +56,9 @@ plasmaPackage rec {
     wrapQtProgram "$out/bin/plasmashell"
 
     wrapQtProgram "$out/lib/libexec/drkonqi"
+
+    rm "$out/bin/startplasmacompositor"
     rm "$out/lib/libexec/startplasma"
+    rm -r "$out/share/wayland-sessions"
   '';
 }
diff --git a/pkgs/desktops/plasma-5.5/srcs.nix b/pkgs/desktops/plasma-5.5/srcs.nix
index f8ff0be3f85..488f4de17ff 100644
--- a/pkgs/desktops/plasma-5.5/srcs.nix
+++ b/pkgs/desktops/plasma-5.5/srcs.nix
@@ -3,307 +3,307 @@
 
 {
   bluedevil = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/bluedevil-5.4.95.tar.xz";
-      sha256 = "0ffd6vw3g0psysc4qwac55r9p32rl7jwvmwc468rpp9xvh52lx4p";
-      name = "bluedevil-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/bluedevil-5.5.0.tar.xz";
+      sha256 = "0h0i6npmi2llrma4d0k7jaibfjkwvi7qm003i73prza5b2lm9qgk";
+      name = "bluedevil-5.5.0.tar.xz";
     };
   };
   breeze = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/breeze-5.4.95.tar.xz";
-      sha256 = "1xvxykmzp6i2qh6zgdwh1hj6pcfll7y3b63ypivnggi96crynxyr";
-      name = "breeze-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/breeze-5.5.0.tar.xz";
+      sha256 = "0jaw8ir5vd3ari4hx52mrnl5mrq9njdci8caq37b3k1p4irxba3p";
+      name = "breeze-5.5.0.tar.xz";
     };
   };
   breeze-gtk = {
-    version = "5.4.95";
+    version = "5.5.0.1";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/breeze-gtk-5.4.95.tar.xz";
-      sha256 = "1f8qfnm6qyxkar0kw0ryls8z19hk14vlkk1zvm19h0i2fhihgnqg";
-      name = "breeze-gtk-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/breeze-gtk-5.5.0.1.tar.xz";
+      sha256 = "04jjb81022k7xfzhzmdani057inmly2r7ksc1wvbg5adi7m0xn4n";
+      name = "breeze-gtk-5.5.0.1.tar.xz";
     };
   };
   discover = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/discover-5.4.95.tar.xz";
-      sha256 = "1sj2b7sg23ahjix7xnwx3yja1iz8373c3dirgzr0ggwvqb5q5miz";
-      name = "discover-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/discover-5.5.0.tar.xz";
+      sha256 = "0ngxdgkr4ikqmi2x8dgbf6xbpvhwqcv79b7ir2jgmcjjl93958f4";
+      name = "discover-5.5.0.tar.xz";
     };
   };
   kde-cli-tools = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kde-cli-tools-5.4.95.tar.xz";
-      sha256 = "0mh0bjjjji00nrsqr3988qh43jj7i4h7z2lpp2h1i0ykjczjmpj3";
-      name = "kde-cli-tools-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kde-cli-tools-5.5.0.tar.xz";
+      sha256 = "0l45hx1w1pyfbsg60lwdma9pgzdffprvrz12rqq6ylnjsz1askwv";
+      name = "kde-cli-tools-5.5.0.tar.xz";
     };
   };
   kdecoration = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kdecoration-5.4.95.tar.xz";
-      sha256 = "1hbdr9nc50438lrrkdij7mdlg8sclaww1ky4rs0c067gnjgqlff3";
-      name = "kdecoration-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kdecoration-5.5.0.tar.xz";
+      sha256 = "1wdwnj3dridk745mgmi9xnyd7dy0n0444nvq1mggn2mj4ca6q9ra";
+      name = "kdecoration-5.5.0.tar.xz";
     };
   };
   kde-gtk-config = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kde-gtk-config-5.4.95.tar.xz";
-      sha256 = "17l9ypm5b4s8580zi2maxlszh890svcrh1jq3czz10izlmhd1zih";
-      name = "kde-gtk-config-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kde-gtk-config-5.5.0.tar.xz";
+      sha256 = "1bi6dr7bv42rn5jf212qrr5bik8xglvaabz5srqwhs2n4z35913a";
+      name = "kde-gtk-config-5.5.0.tar.xz";
     };
   };
   kdeplasma-addons = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kdeplasma-addons-5.4.95.tar.xz";
-      sha256 = "1a3d96pii6ljvr1sv4v1n5zqmpp0iv1la8jd44bj12d2xhrng7zq";
-      name = "kdeplasma-addons-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kdeplasma-addons-5.5.0.tar.xz";
+      sha256 = "1y3w97pbg24d2mzp2x882a43ljn5wqs74q6ry594a6mip2zzvlrz";
+      name = "kdeplasma-addons-5.5.0.tar.xz";
     };
   };
   kgamma5 = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kgamma5-5.4.95.tar.xz";
-      sha256 = "0jpbd4342k8327ibwxwaam99gxc0h4bz3w0xk3chjv8jj2b3znnk";
-      name = "kgamma5-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kgamma5-5.5.0.tar.xz";
+      sha256 = "1i6c0m0dr23z09r1rdfcna168bmnaysqxwxmp55ix3jad9ilfa8f";
+      name = "kgamma5-5.5.0.tar.xz";
     };
   };
   khelpcenter = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/khelpcenter-5.4.95.tar.xz";
-      sha256 = "09vrqjysz20pwcrkk2713jin062prz75h6hsc2swhz873ks3krb4";
-      name = "khelpcenter-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/khelpcenter-5.5.0.tar.xz";
+      sha256 = "0piwsa446ja6fmkxc8shzxqmbq7hcbydpc4xsc6bsjbzbskz8c09";
+      name = "khelpcenter-5.5.0.tar.xz";
     };
   };
   khotkeys = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/khotkeys-5.4.95.tar.xz";
-      sha256 = "1haxxvs6nbva2x4i3ydx01hci2sfldqf9jdapl311hlliv7055bv";
-      name = "khotkeys-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/khotkeys-5.5.0.tar.xz";
+      sha256 = "197fhzm1rcm65k8idf0wlzsnfxpimdzg516syjzkwah5smg1qshl";
+      name = "khotkeys-5.5.0.tar.xz";
     };
   };
   kinfocenter = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kinfocenter-5.4.95.tar.xz";
-      sha256 = "1xz7k8xqzhk8y652h1gixi6bkbz041k0b3di0c5a1wpa78pzxwjb";
-      name = "kinfocenter-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kinfocenter-5.5.0.tar.xz";
+      sha256 = "1xr9l8wg20n0fyg5x9rgyhbimgwmlf97cf2v3yi8aff5mx348avy";
+      name = "kinfocenter-5.5.0.tar.xz";
     };
   };
   kmenuedit = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kmenuedit-5.4.95.tar.xz";
-      sha256 = "1p3agzz2zp1jbdd820kql5064my9lzbk3b8yzli0242gc36sjagq";
-      name = "kmenuedit-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kmenuedit-5.5.0.tar.xz";
+      sha256 = "1hbifshppw64zmsybvcnm4sjy14zjq9rg2jxb36blfnvw08i9z4n";
+      name = "kmenuedit-5.5.0.tar.xz";
     };
   };
   kscreen = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kscreen-5.4.95.tar.xz";
-      sha256 = "1viwy2ia681nkw89n796r4irlf0za1fbhspmnsjw52i9c6ccard5";
-      name = "kscreen-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kscreen-5.5.0.tar.xz";
+      sha256 = "0mznp9lb9z65vfqb752iw7scz0hs3if3bmk9nq1i6ns3c520gcx6";
+      name = "kscreen-5.5.0.tar.xz";
     };
   };
   kscreenlocker = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kscreenlocker-5.4.95.tar.xz";
-      sha256 = "08q2d39yfzfx69b6q0qsh3wlcqp6sh80jxaml2m1l8ksn354ldrg";
-      name = "kscreenlocker-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kscreenlocker-5.5.0.tar.xz";
+      sha256 = "1myx3ykcq4p9f04bp2w7anqnr9f6b2rjajhkvxbwa9rvxjhwf3n9";
+      name = "kscreenlocker-5.5.0.tar.xz";
     };
   };
   ksshaskpass = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/ksshaskpass-5.4.95.tar.xz";
-      sha256 = "18k4200ji1k6xb6n5x3s76yx3izqaisb3m7q3icycyzxfq7y50b4";
-      name = "ksshaskpass-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/ksshaskpass-5.5.0.tar.xz";
+      sha256 = "12m88cvgvsnfvzvpyaji7x4pcb4b2xw977x5w50b73mbznxw9hhh";
+      name = "ksshaskpass-5.5.0.tar.xz";
     };
   };
   ksysguard = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/ksysguard-5.4.95.tar.xz";
-      sha256 = "1bjrap38zpvnxgvm6xnzvwjqdnbj6ygmgv2qpyl12nkv5r12rr73";
-      name = "ksysguard-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/ksysguard-5.5.0.tar.xz";
+      sha256 = "1paj03yccnym83l5585scn6mhd82xpzz5pqwqc4gz45cfq6ix3bv";
+      name = "ksysguard-5.5.0.tar.xz";
     };
   };
   kwallet-pam = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kwallet-pam-5.4.95.tar.xz";
-      sha256 = "0vvhx582bk8hvfw3r7518g7vw104az31w6hpah7ki8kvfh35nh65";
-      name = "kwallet-pam-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kwallet-pam-5.5.0.tar.xz";
+      sha256 = "084yyrm00i2yaikbl9sqzp2im56zb987cfqxqlrdgkkwf8p4g60g";
+      name = "kwallet-pam-5.5.0.tar.xz";
     };
   };
   kwayland = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kwayland-5.4.95.tar.xz";
-      sha256 = "0w4d2abxkmxgqfg1xg49x04av85lybkr6ymbpirrkfv5wwhgcnqy";
-      name = "kwayland-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kwayland-5.5.0.tar.xz";
+      sha256 = "1dxa3xkqg96jw3gmc2jya3wym910pdzljhcdspk3n88045wn8hs9";
+      name = "kwayland-5.5.0.tar.xz";
     };
   };
   kwayland-integration = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kwayland-integration-5.4.95.tar.xz";
-      sha256 = "1c52hfshnw9b6qi0xb1vrwg39akd57q7mjc7a5wh3kn873v23jj6";
-      name = "kwayland-integration-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kwayland-integration-5.5.0.tar.xz";
+      sha256 = "0x2kqy89nzswx06n0diskjs14bjcsi0wyydbcx57553r1dkhkhn4";
+      name = "kwayland-integration-5.5.0.tar.xz";
     };
   };
   kwin = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kwin-5.4.95.tar.xz";
-      sha256 = "09dw1vpcf20as8s172vf0mfxq1lrdmwl9m19b1pnpdi71fmmabhy";
-      name = "kwin-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kwin-5.5.0.tar.xz";
+      sha256 = "0f7km0kj1wvm4knpskm3fa82f1nqbv8y8l7mj3nr00zm3rd2zc1l";
+      name = "kwin-5.5.0.tar.xz";
     };
   };
   kwrited = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/kwrited-5.4.95.tar.xz";
-      sha256 = "1bzhx8yzwcx78mqkr24pcf9vdh9dbb0rd18pwhyw3xaib2gwiry2";
-      name = "kwrited-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/kwrited-5.5.0.tar.xz";
+      sha256 = "1f0zkm0xd3cff947nprcxf45cyk6jkcglv1b7dzn727afm456js8";
+      name = "kwrited-5.5.0.tar.xz";
     };
   };
   libkscreen = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/libkscreen-5.4.95.tar.xz";
-      sha256 = "1hpjylkhlfd2h9rc13widyayfgvmwy2dqkc59m1lkf8qgdq6h0sa";
-      name = "libkscreen-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/libkscreen-5.5.0.tar.xz";
+      sha256 = "0w03fjcqazx60zzp4sx77fpz53i38hzgn400jqajiwbb6d3mrxw3";
+      name = "libkscreen-5.5.0.tar.xz";
     };
   };
   libksysguard = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/libksysguard-5.4.95.tar.xz";
-      sha256 = "0kcxl1pjakk1l27hnc819r0319gpxzrhvq31mzhdfm3lcskjngzi";
-      name = "libksysguard-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/libksysguard-5.5.0.tar.xz";
+      sha256 = "1p2nhf9wnw8jf4sinkk6rq7b1daymb16lmhd22lji34ayv1fh9i8";
+      name = "libksysguard-5.5.0.tar.xz";
     };
   };
   milou = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/milou-5.4.95.tar.xz";
-      sha256 = "09dz4jjb6adsgwx5qwdzzhwaianlfzs2hwx4qc366yj3hxrch13d";
-      name = "milou-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/milou-5.5.0.tar.xz";
+      sha256 = "0xh5fbf6j896dj7krd8fcapn5b10swgg0dmcv3sa8hzkpaw36gfm";
+      name = "milou-5.5.0.tar.xz";
     };
   };
   oxygen = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/oxygen-5.4.95.tar.xz";
-      sha256 = "0j94yabkwlgnl2zq0wrcwrh6d9j193mf68b310nz2dfskq5wgvr5";
-      name = "oxygen-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/oxygen-5.5.0.tar.xz";
+      sha256 = "12l0m2b5d970grpi5mxd6rl3g8ry50mfr1pjv4ar7jhic6w4zi7x";
+      name = "oxygen-5.5.0.tar.xz";
     };
   };
   plasma-desktop = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/plasma-desktop-5.4.95.tar.xz";
-      sha256 = "0rar2ms65jks0knkv9x0gb5f1gp0yhghpskzcpm4m0gj981vbgyp";
-      name = "plasma-desktop-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/plasma-desktop-5.5.0.tar.xz";
+      sha256 = "1iak4j4jiigm0sm8f1w2g4w52v2q1rja6s5sy5247j9wyyfc6vw4";
+      name = "plasma-desktop-5.5.0.tar.xz";
     };
   };
   plasma-mediacenter = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/plasma-mediacenter-5.4.95.tar.xz";
-      sha256 = "0kzghc8whc87v1ljlxva2k3sx7c2zmvgmp3i2z2lnp7h882a1hak";
-      name = "plasma-mediacenter-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/plasma-mediacenter-5.5.0.tar.xz";
+      sha256 = "10jrbs3mrf3vwnw6a0rsipryfr4pd0jp5s89srcqk10p25pimq52";
+      name = "plasma-mediacenter-5.5.0.tar.xz";
     };
   };
   plasma-nm = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/plasma-nm-5.4.95.tar.xz";
-      sha256 = "0cwc72lklv97yahh1672bqamlhil12b4wpjy2diqmq75xmajzjds";
-      name = "plasma-nm-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/plasma-nm-5.5.0.tar.xz";
+      sha256 = "1clzmrj78g1gs2d6qbnwk3snlz5rhipfrrzm5rsimjqxv111jfd4";
+      name = "plasma-nm-5.5.0.tar.xz";
     };
   };
   plasma-pa = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/plasma-pa-5.4.95.tar.xz";
-      sha256 = "0mvxidlzl9nw52sl9r5z180c683iz1a7rr0yh0v88gl30brrqnmw";
-      name = "plasma-pa-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/plasma-pa-5.5.0.tar.xz";
+      sha256 = "0yi0snf6xndvwwzlylgyzpv90b9nsknrm3lsk4gvm49q8cvzy8km";
+      name = "plasma-pa-5.5.0.tar.xz";
     };
   };
   plasma-sdk = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/plasma-sdk-5.4.95.tar.xz";
-      sha256 = "1lis04qmbca8n2ly2g58xhi3znca14dmib81rfshjqp9rldc2z6k";
-      name = "plasma-sdk-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/plasma-sdk-5.5.0.tar.xz";
+      sha256 = "196lna5zbqa8py082c96xl5d3c2l9p4rcnb06fyd91x3z1csq54v";
+      name = "plasma-sdk-5.5.0.tar.xz";
     };
   };
   plasma-workspace = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/plasma-workspace-5.4.95.tar.xz";
-      sha256 = "1af2qx5q5pbxyv32fjiwn7cwf5z1xrgj5n22fprsfn1pyjnz4anv";
-      name = "plasma-workspace-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/plasma-workspace-5.5.0.tar.xz";
+      sha256 = "013z03s0iy3aw9ks703wif7m6mlxx0vrxj98zvscmiaiasryhf13";
+      name = "plasma-workspace-5.5.0.tar.xz";
     };
   };
   plasma-workspace-wallpapers = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/plasma-workspace-wallpapers-5.4.95.tar.xz";
-      sha256 = "0bz0hk6bnm14ppnglwjd82w9gyjm5smv7cpicj25cfwlvz3qjizz";
-      name = "plasma-workspace-wallpapers-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/plasma-workspace-wallpapers-5.5.0.tar.xz";
+      sha256 = "0qs547zy8qdmypa6cd60ksian94fykaysnjn7di00gjf2jpfy4dz";
+      name = "plasma-workspace-wallpapers-5.5.0.tar.xz";
     };
   };
   polkit-kde-agent = {
-    version = "1-5.4.95";
+    version = "1-5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/polkit-kde-agent-1-5.4.95.tar.xz";
-      sha256 = "0hc4a36fxn5bw77hldpklj5dwxxx3c67pni9q8d9bpdk52d89wcg";
-      name = "polkit-kde-agent-1-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/polkit-kde-agent-1-5.5.0.tar.xz";
+      sha256 = "0ahv82zyj42r1sp4mwp7s8iw44dw9rjx5yqvy7jvdmrvsa9n4f1c";
+      name = "polkit-kde-agent-1-5.5.0.tar.xz";
     };
   };
   powerdevil = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/powerdevil-5.4.95.tar.xz";
-      sha256 = "0q3a3d654f3k4qjwq8avk2n0ppila3p8l9kkayd5hcasvvhcihq7";
-      name = "powerdevil-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/powerdevil-5.5.0.tar.xz";
+      sha256 = "03gayczhaxql54had50f0jf4vfcckhdxfndv1k33kf16ldyg3w4f";
+      name = "powerdevil-5.5.0.tar.xz";
     };
   };
   sddm-kcm = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/sddm-kcm-5.4.95.tar.xz";
-      sha256 = "06i24nqn80j563cw2rsfficyd577j3v7qj83cvn6jwrkhbhc6v45";
-      name = "sddm-kcm-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/sddm-kcm-5.5.0.tar.xz";
+      sha256 = "1wvxi4z3bxzj1wgq5n76zlq7d7pydfllx7ghghkdqhl6g4vf6nk0";
+      name = "sddm-kcm-5.5.0.tar.xz";
     };
   };
   systemsettings = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/systemsettings-5.4.95.tar.xz";
-      sha256 = "0zr7chjk43mqbb74p4n5n4ny783j8bnmwa4cr86i21bcbkqgp6sq";
-      name = "systemsettings-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/systemsettings-5.5.0.tar.xz";
+      sha256 = "1azq8zq214p2lhyq28saw3m07ngi3z4bgx4rx0pflzswqfb6fxr1";
+      name = "systemsettings-5.5.0.tar.xz";
     };
   };
   user-manager = {
-    version = "5.4.95";
+    version = "5.5.0";
     src = fetchurl {
-      url = "${mirror}/unstable/plasma/5.4.95/user-manager-5.4.95.tar.xz";
-      sha256 = "1dbfqb0w3cgkhimw195gwh9cnnx83qacqdc8j5dpvrjybv3ihv3z";
-      name = "user-manager-5.4.95.tar.xz";
+      url = "${mirror}/stable/plasma/5.5.0/user-manager-5.5.0.tar.xz";
+      sha256 = "08v49rwfpq8is829z4zb04qhj49wa2d2c9l2h0di06k1km6vs729";
+      name = "user-manager-5.5.0.tar.xz";
     };
   };
 }
diff --git a/pkgs/development/libraries/kde-frameworks-5.16/kcoreaddons.nix b/pkgs/development/libraries/kde-frameworks-5.16/kcoreaddons.nix
index 43c21bb51ef..f3a1db7bd48 100644
--- a/pkgs/development/libraries/kde-frameworks-5.16/kcoreaddons.nix
+++ b/pkgs/development/libraries/kde-frameworks-5.16/kcoreaddons.nix
@@ -1,12 +1,15 @@
-{ kdeFramework, lib
+{ kdeFramework, lib, makeQtWrapper
 , extra-cmake-modules
 , shared_mime_info
 }:
 
 kdeFramework {
   name = "kcoreaddons";
-  nativeBuildInputs = [ extra-cmake-modules ];
+  nativeBuildInputs = [ extra-cmake-modules makeQtWrapper ];
   buildInputs = [ shared_mime_info ];
+  postInstall = ''
+    wrapQtProgram "$out/bin/desktoptojson"
+  '';
   meta = {
     maintainers = [ lib.maintainers.ttuegel ];
   };
diff --git a/pkgs/development/libraries/kde-frameworks-5.16/kdesignerplugin.nix b/pkgs/development/libraries/kde-frameworks-5.16/kdesignerplugin.nix
index 28df2415320..cbc114ccca0 100644
--- a/pkgs/development/libraries/kde-frameworks-5.16/kdesignerplugin.nix
+++ b/pkgs/development/libraries/kde-frameworks-5.16/kdesignerplugin.nix
@@ -1,4 +1,4 @@
-{ kdeFramework, lib
+{ kdeFramework, lib, makeQtWrapper
 , extra-cmake-modules
 , kcompletion
 , kconfig
@@ -18,13 +18,16 @@
 
 kdeFramework {
   name = "kdesignerplugin";
-  nativeBuildInputs = [ extra-cmake-modules kdoctools ];
+  nativeBuildInputs = [ extra-cmake-modules kdoctools makeQtWrapper ];
   buildInputs = [
     kcompletion kconfig kconfigwidgets kcoreaddons kdewebkit
     kiconthemes kitemviews kplotting ktextwidgets kwidgetsaddons
     kxmlgui
   ];
   propagatedBuildInputs = [ kio sonnet ];
+  postInstall = ''
+    wrapQtProgram "$out/bin/kgendesignerplugin"
+  '';
   meta = {
     maintainers = [ lib.maintainers.ttuegel ];
   };
diff --git a/pkgs/development/libraries/kde-frameworks-5.16/kiconthemes.nix b/pkgs/development/libraries/kde-frameworks-5.16/kiconthemes.nix
index 02b516afedc..eb24403169d 100644
--- a/pkgs/development/libraries/kde-frameworks-5.16/kiconthemes.nix
+++ b/pkgs/development/libraries/kde-frameworks-5.16/kiconthemes.nix
@@ -1,12 +1,16 @@
-{ kdeFramework, lib, extra-cmake-modules, kconfigwidgets, ki18n
+{ kdeFramework, lib, makeQtWrapper
+, extra-cmake-modules, kconfigwidgets, ki18n
 , kitemviews, qtsvg
 }:
 
 kdeFramework {
   name = "kiconthemes";
-  nativeBuildInputs = [ extra-cmake-modules ];
+  nativeBuildInputs = [ extra-cmake-modules makeQtWrapper ];
   buildInputs = [ kconfigwidgets kitemviews qtsvg ];
   propagatedBuildInputs = [ ki18n ];
+  postInstall = ''
+    wrapQtProgram "$out/bin/kiconfinder5"
+  '';
   meta = {
     maintainers = [ lib.maintainers.ttuegel ];
   };
diff --git a/pkgs/development/libraries/kde-frameworks-5.16/kio.nix b/pkgs/development/libraries/kde-frameworks-5.16/kio.nix
index 0789828d812..199565e2418 100644
--- a/pkgs/development/libraries/kde-frameworks-5.16/kio.nix
+++ b/pkgs/development/libraries/kde-frameworks-5.16/kio.nix
@@ -23,6 +23,7 @@ kdeFramework {
     wrapQtProgram "$out/bin/ktelnetservice5"
     wrapQtProgram "$out/bin/ktrash5"
     wrapQtProgram "$out/bin/kmailservice5"
+    wrapQtProgram "$out/bin/protocoltojson"
   '';
   meta = {
     maintainers = [ lib.maintainers.ttuegel ];