diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-mailwatch-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-mailwatch-plugin/default.nix
index 56c1a1ed732f..7bea96464437 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-mailwatch-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-mailwatch-plugin/default.nix
@@ -2,8 +2,8 @@
   lib,
   stdenv,
   fetchurl,
+  gettext,
   pkg-config,
-  intltool,
   xfce4-panel,
   libxfce4ui,
   libxfce4util,
@@ -21,15 +21,15 @@ in
 
 stdenv.mkDerivation rec {
   pname = "xfce4-mailwatch-plugin";
-  version = "1.3.1";
+  version = "1.3.2";
 
   src = fetchurl {
     url = "mirror://xfce/src/${category}/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
-    sha256 = "sha256-BUlk6f5MpmhIZACZHOHqAdB6rHuiNfSxTUqPfZgABGo=";
+    sha256 = "sha256-xHg/FTOJHNLgw0Bm2oWYZNzkWiPKpgFbWMufqdZafkQ=";
   };
 
   nativeBuildInputs = [
-    intltool
+    gettext
     pkg-config
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-mpc-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-mpc-plugin/default.nix
index e46b06be6ac4..163aa063a850 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-mpc-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-mpc-plugin/default.nix
@@ -2,8 +2,8 @@
   lib,
   stdenv,
   fetchurl,
+  gettext,
   pkg-config,
-  intltool,
   libxfce4util,
   xfce4-panel,
   libxfce4ui,
@@ -18,16 +18,16 @@ in
 
 stdenv.mkDerivation rec {
   pname = "xfce4-mpc-plugin";
-  version = "0.5.3";
+  version = "0.5.5";
 
   src = fetchurl {
     url = "mirror://xfce/src/${category}/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
-    sha256 = "sha256-BGf7TRrNmC08PguJy0EBmUaFBST/Ge0PZYqNVse3Zk0=";
+    sha256 = "sha256-TOfXdmeiY+6ZFsDKsqczsX471lcFzU7VzsPL3m5ymM8=";
   };
 
   nativeBuildInputs = [
+    gettext
     pkg-config
-    intltool
   ];
 
   buildInputs = [
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-netload-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-netload-plugin/default.nix
index d27bb2517f1d..dbd2bb31f285 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-netload-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-netload-plugin/default.nix
@@ -11,10 +11,10 @@
 mkXfceDerivation {
   category = "panel-plugins";
   pname = "xfce4-netload-plugin";
-  version = "1.4.1";
+  version = "1.4.2";
   rev-prefix = "xfce4-netload-plugin-";
   odd-unstable = false;
-  sha256 = "sha256-PwbyYi9EeSTKilVXlbseY2zkabcL7o2CGnk2DFFVI94=";
+  sha256 = "sha256-g4pkNzggVjC0AuUnJeleR3RQCrneetjDyv8eCXmrYzI=";
 
   buildInputs = [
     glib
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-sensors-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-sensors-plugin/default.nix
index dbc96665344f..fa90acacee19 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-sensors-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-sensors-plugin/default.nix
@@ -2,8 +2,8 @@
   stdenv,
   lib,
   fetchurl,
+  gettext,
   pkg-config,
-  intltool,
   gtk3,
   libxfce4ui,
   libxfce4util,
@@ -23,16 +23,16 @@ in
 
 stdenv.mkDerivation rec {
   pname = "xfce4-sensors-plugin";
-  version = "1.4.4";
+  version = "1.4.5";
 
   src = fetchurl {
     url = "mirror://xfce/src/${category}/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
-    sha256 = "sha256-bBYFpzjl30DghNCKyT+WLNRFCTOW3h6b+tx6tFiMNrY=";
+    sha256 = "sha256-9p/febf3bSqBckgoEkpvznaAOpEipMgt6PPfo++7F5o=";
   };
 
   nativeBuildInputs = [
+    gettext
     pkg-config
-    intltool
   ];
 
   buildInputs = [
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-systemload-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-systemload-plugin/default.nix
index 245391eb4f57..2128d9e99497 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-systemload-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-systemload-plugin/default.nix
@@ -2,10 +2,12 @@
   lib,
   stdenv,
   fetchurl,
+  gettext,
   pkg-config,
-  intltool,
   xfce4-panel,
+  libgtop,
   libxfce4ui,
+  upower,
   xfconf,
   gitUpdater,
 }:
@@ -15,20 +17,22 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "xfce4-systemload-plugin";
-  version = "1.3.2";
+  version = "1.3.3";
 
   src = fetchurl {
     url = "mirror://xfce/src/${category}/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
-    sha256 = "sha256-uzA/wwIOBTrR+guPy/DXaBxVY7uPZJNX1qlaV3gCsHI=";
+    sha256 = "sha256-aFLV2cmnTQ4NtYLG9f5zkOvkii61aSF3rhLhxMzG78k=";
   };
 
   nativeBuildInputs = [
+    gettext
     pkg-config
-    intltool
   ];
 
   buildInputs = [
+    libgtop
     libxfce4ui
+    upower
     xfce4-panel
     xfconf
   ];
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-time-out-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-time-out-plugin/default.nix
index 9b3c6b0c558f..09d6d6fa6fe9 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-time-out-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-time-out-plugin/default.nix
@@ -12,10 +12,10 @@
 mkXfceDerivation {
   category = "panel-plugins";
   pname = "xfce4-time-out-plugin";
-  version = "1.1.3";
+  version = "1.1.4";
   rev-prefix = "xfce4-time-out-plugin-";
   odd-unstable = false;
-  sha256 = "sha256-sm6y3t4nngZDg4Q8S3SVkNR++XkCKysQePN6Qei1OY8=";
+  sha256 = "sha256-FYcmeOBSBxcPSm/4j294DSi8XZBTKHvAwTBdj0yCY7o=";
 
   buildInputs = [
     glib
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-timer-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-timer-plugin/default.nix
index e7cec4e64ccb..7dc26f11bcf3 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-timer-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-timer-plugin/default.nix
@@ -2,8 +2,8 @@
   lib,
   stdenv,
   fetchurl,
+  gettext,
   pkg-config,
-  intltool,
   libxfce4util,
   xfce4-panel,
   libxfce4ui,
@@ -19,16 +19,16 @@ in
 
 stdenv.mkDerivation rec {
   pname = "xfce4-timer-plugin";
-  version = "1.7.2";
+  version = "1.7.3";
 
   src = fetchurl {
     url = "mirror://xfce/src/${category}/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.bz2";
-    sha256 = "sha256-/rO4wtOVBegWaDVAoyJr172ocMy8tMfQ9qv+7/XFi30=";
+    sha256 = "sha256-rPTIYa+IYIuegCp2pLBYRr0wGJ4AhegmaAzBebbfTNM=";
   };
 
   nativeBuildInputs = [
+    gettext
     pkg-config
-    intltool
   ];
 
   buildInputs = [
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-verve-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-verve-plugin/default.nix
index 4fd508b90009..1f4c87664021 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-verve-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-verve-plugin/default.nix
@@ -12,8 +12,8 @@
 mkXfceDerivation {
   category = "panel-plugins";
   pname = "xfce4-verve-plugin";
-  version = "2.0.3";
-  sha256 = "sha256-K335cs1vWKTNQjZlSUuhK8OmgTsKSzN87IZwS4RtvB8=";
+  version = "2.0.4";
+  sha256 = "sha256-j0uKYj9PeLEVaocHRw87Dz+YFqDr1BImejEpDPYObQg=";
 
   buildInputs = [
     glib
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-weather-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-weather-plugin/default.nix
index 7a56ed84fc61..420fd62b68d6 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-weather-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-weather-plugin/default.nix
@@ -2,8 +2,8 @@
   lib,
   stdenv,
   fetchurl,
+  gettext,
   pkg-config,
-  intltool,
   glib,
   gtk3,
   json_c,
@@ -32,8 +32,8 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
+    gettext
     pkg-config
-    intltool
   ];
 
   buildInputs = [