diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 99bc0da2b3a..5c6668fbdc6 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -88,6 +88,7 @@
   ./programs/mtr.nix
   ./programs/nano.nix
   ./programs/oblogout.nix
+  ./programs/qt5ct.nix
   ./programs/screen.nix
   ./programs/slock.nix
   ./programs/shadow.nix
diff --git a/nixos/modules/programs/qt5ct.nix b/nixos/modules/programs/qt5ct.nix
new file mode 100644
index 00000000000..550634e65be
--- /dev/null
+++ b/nixos/modules/programs/qt5ct.nix
@@ -0,0 +1,31 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+  meta.maintainers = [ maintainers.romildo ];
+
+  ###### interface
+  options = {
+    programs.qt5ct = {
+      enable = mkOption {
+        default = false;
+        type = types.bool;
+        description = ''
+          Whether to enable the Qt5 Configuration Tool (qt5ct), a
+          program that allows users to configure Qt5 settings (theme,
+          font, icons, etc.) under desktop environments or window
+          manager without Qt integration.
+
+          Official home page: <link xlink:href="https://sourceforge.net/projects/qt5ct/">https://sourceforge.net/projects/qt5ct/</link>
+        '';
+      };
+    };
+  };
+
+  ###### implementation
+  config = mkIf config.programs.qt5ct.enable {
+    environment.variables.QT_QPA_PLATFORMTHEME = "qt5ct";
+    environment.systemPackages = [ pkgs.qt5ct ];
+  };
+}
diff --git a/pkgs/tools/misc/qt5ct/default.nix b/pkgs/tools/misc/qt5ct/default.nix
index dd94e379eed..4377b386d85 100644
--- a/pkgs/tools/misc/qt5ct/default.nix
+++ b/pkgs/tools/misc/qt5ct/default.nix
@@ -2,18 +2,18 @@
 
 stdenv.mkDerivation rec {
   name = "qt5ct-${version}";
-  version = "0.24";
+  version = "0.30";
 
   src = fetchurl {
     url = "mirror://sourceforge/qt5ct/qt5ct-${version}.tar.bz2";
-    sha256 = "0k62nd945pbgkshycijzrgdyrwj5kcswk33slaj7hr7d6r7bmb6p";
+    sha256 = "1k0ywd440qvf84chadjb4fnkn8dkfl56cc3a6wqg6a59drslvng6";
   };
 
   buildInputs = [ qtbase qtsvg ];
   nativeBuildInputs = [ makeQtWrapper qmakeHook qttools ];
 
   preConfigure = ''
-    qmakeFlags="$qmakeFlags PLUGINDIR=$out/lib/qt5/plugins/platformthemes/"
+    qmakeFlags="$qmakeFlags PLUGINDIR=$out/lib/qt5/plugins"
   '';
 
   preFixup = ''