diff --git a/pkgs/applications/misc/dupeguru/remove-setuptools-sandbox.patch b/pkgs/applications/misc/dupeguru/remove-setuptools-sandbox.patch
deleted file mode 100644
index 983ea4dd7efc..000000000000
--- a/pkgs/applications/misc/dupeguru/remove-setuptools-sandbox.patch
+++ /dev/null
@@ -1,27 +0,0 @@
-diff --git a/build.py b/build.py
-index 06905a11..56d54a17 100644
---- a/build.py
-+++ b/build.py
-@@ -10,7 +10,7 @@ from optparse import OptionParser
- import shutil
- from multiprocessing import Pool
- 
--from setuptools import sandbox
-+import subprocess
- from hscommon import sphinxgen
- from hscommon.build import (
-     add_to_pythonpath,
-@@ -118,7 +118,12 @@ def build_normpo():
- def build_pe_modules():
-     print("Building PE Modules")
-     # Leverage setup.py to build modules
--    sandbox.run_setup("setup.py", ["build_ext", "--inplace"])
-+    result = subprocess.run(
-+        [sys.executable, "setup.py", "build_ext", "--inplace"],
-+        check=True,
-+    )
-+    if result.returncode != 0:
-+        sys.exit("Error building PE modules. Please check the output above.")
- 
- 
- def build_normal():
diff --git a/pkgs/applications/misc/dupeguru/default.nix b/pkgs/by-name/du/dupeguru/package.nix
similarity index 72%
rename from pkgs/applications/misc/dupeguru/default.nix
rename to pkgs/by-name/du/dupeguru/package.nix
index 06af2c764027..beafc8424f88 100644
--- a/pkgs/applications/misc/dupeguru/default.nix
+++ b/pkgs/by-name/du/dupeguru/package.nix
@@ -4,42 +4,40 @@
   python3Packages,
   gettext,
   qt5,
+  writableTmpDirAsHomeHook,
   fetchFromGitHub,
 }:
-
-python3Packages.buildPythonApplication rec {
+python3Packages.buildPythonApplication (finalAttrs: {
   pname = "dupeguru";
-  version = "4.3.1";
+  version = "4.3.1-unstable-2026-01-06";
 
   pyproject = false;
 
   src = fetchFromGitHub {
     owner = "arsenetar";
     repo = "dupeguru";
-    rev = version;
-    hash = "sha256-/jkZiCapmCLMp7WfgUmpsR8aNCfb3gBELlMYaC4e7zI=";
+    rev = "16aa6c21ffc2c33d44ff4a47bfa1a623c16ed626";
+    hash = "sha256-0x2ZpjaxpWVhm9vimDA06y1BOvpoU6KZYz5MPAoWAts=";
   };
 
-  patches = [
-    ./remove-setuptools-sandbox.patch
-  ];
-
   nativeBuildInputs = [
     gettext
     python3Packages.pyqt5
     python3Packages.setuptools
+    python3Packages.sphinx
     qt5.wrapQtAppsHook
+    writableTmpDirAsHomeHook
   ];
 
   propagatedBuildInputs = with python3Packages; [
-    hsaudiotag3k
+    distro
     mutagen
     polib
     pyqt5
     pyqt5-sip
     semantic-version
     send2trash
-    sphinx
+    xxhash
   ];
 
   makeFlags = [
@@ -51,13 +49,11 @@ python3Packages.buildPythonApplication rec {
     pytestCheckHook
   ];
 
-  preCheck = ''
-    export HOME="$(mktemp -d)"
-  '';
-
   # Avoid double wrapping Python programs.
   dontWrapQtApps = true;
 
+  installTargets = "install installdocs";
+
   # TODO: A bug in python wrapper
   # see https://github.com/NixOS/nixpkgs/pull/75054#discussion_r357656916
   preFixup = ''
@@ -74,9 +70,10 @@ python3Packages.buildPythonApplication rec {
     broken = stdenv.hostPlatform.isDarwin;
     description = "GUI tool to find duplicate files in a system";
     homepage = "https://github.com/arsenetar/dupeguru";
-    license = lib.licenses.bsd3;
+    changelog = "https://github.com/arsenetar/dupeguru/releases/tag/${builtins.head (lib.strings.splitString "-" finalAttrs.version)}";
+    license = lib.licenses.gpl3;
     platforms = lib.platforms.unix;
     maintainers = with lib.maintainers; [ novoxd ];
     mainProgram = "dupeguru";
   };
-}
+})
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 8771b6a6aa1f..e2857a88f812 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -485,9 +485,6 @@ with pkgs;
 
   buildDotnetPackage = callPackage ../build-support/dotnet/build-dotnet-package { };
   fetchNuGet = callPackage ../build-support/dotnet/fetchnuget { };
-  dupeguru = callPackage ../applications/misc/dupeguru {
-    python3Packages = python311Packages;
-  };
 
   fetchbzr = callPackage ../build-support/fetchbzr { };