diff --git a/pkgs/desktops/xfce/core/xfce4-session/default.nix b/pkgs/desktops/xfce/core/xfce4-session/default.nix
index b4391f7645f..2db20a2ee51 100644
--- a/pkgs/desktops/xfce/core/xfce4-session/default.nix
+++ b/pkgs/desktops/xfce/core/xfce4-session/default.nix
@@ -1,13 +1,35 @@
-{ lib, mkXfceDerivation, polkit, exo, libxfce4util, libxfce4ui, xfconf, iceauth, gtk3, glib, libwnck, xfce4-session }:
+{ lib
+, mkXfceDerivation
+, polkit
+, exo
+, libxfce4util
+, libxfce4ui
+, xfconf
+, iceauth
+, gtk3
+, glib
+, libwnck
+, xfce4-session
+}:
 
 mkXfceDerivation {
   category = "xfce";
   pname = "xfce4-session";
-  version = "4.18.2";
+  version = "4.18.3";
 
-  sha256 = "sha256-EyDMHGFjZWux7atpiUoCMmJIN2PGlF9h2L5qaFAzrKU=";
+  sha256 = "sha256-qCkE3aVYVwphoO1ZAyzpL1ZtsLaP6XT1H1rlFoBI3yg=";
 
-  buildInputs = [ exo gtk3 glib libxfce4ui libxfce4util libwnck xfconf polkit iceauth ];
+  buildInputs = [
+    exo
+    gtk3
+    glib
+    libxfce4ui
+    libxfce4util
+    libwnck
+    xfconf
+    polkit
+    iceauth
+  ];
 
   configureFlags = [ "--with-xsession-prefix=${placeholder "out"}" ];