diff --git a/pkgs/applications/networking/pyload-ng/default.nix b/pkgs/applications/networking/pyload-ng/default.nix
index 61c62fb95e94..aae05e4cf10b 100644
--- a/pkgs/applications/networking/pyload-ng/default.nix
+++ b/pkgs/applications/networking/pyload-ng/default.nix
@@ -1,4 +1,9 @@
-{ lib, fetchPypi, nixosTests, python3 }:
+{
+  lib,
+  fetchPypi,
+  nixosTests,
+  python3,
+}:
 
 python3.pkgs.buildPythonApplication rec {
   version = "0.5.0b3.dev85";
@@ -22,48 +27,48 @@ python3.pkgs.buildPythonApplication rec {
 
   postPatch = ''
     # relax version bounds
-    sed -i 's/\([A-z0-9]*\)~=.*$/\1/' setup.cfg
+    sed -i -E 's/([A-z0-9]*)~=[^;]*(.*)/\1\2/' setup.cfg
   '';
 
-  propagatedBuildInputs = with python3.pkgs; [
-    bitmath
-    certifi
-    cheroot
-    cryptography
-    filetype
-    flask
-    flask-babel
-    flask-caching
-    flask-compress
-    flask-session
-    flask-themes2
-    js2py
-    pycurl
-    semver
-    setuptools
-  ];
+  dependencies =
+    with python3.pkgs;
+    [
+      bitmath
+      certifi
+      cheroot
+      cryptography
+      filetype
+      flask
+      flask-babel
+      flask-caching
+      flask-compress
+      flask-session
+      flask-themes2
+      pycurl
+      semver
+      setuptools
+    ]
+    ++ (if pythonOlder "3.12" then [ js2py ] else [ dukpy ]);
 
-  passthru = {
-    optional-dependencies = {
-      plugins = with python3.pkgs; [
-        beautifulsoup4 # for some plugins
-        colorlog # colorful console logging
-        pillow # for some CAPTCHA plugin
-        send2trash # send some files to trash instead of deleting them
-        slixmpp # XMPP plugin
-      ];
-    };
-
-    tests = {
-      inherit (nixosTests) pyload;
-    };
+  optional-dependencies = {
+    plugins = with python3.pkgs; [
+      beautifulsoup4 # for some plugins
+      colorlog # colorful console logging
+      pillow # for some CAPTCHA plugin
+      send2trash # send some files to trash instead of deleting them
+      slixmpp # XMPP plugin
+    ];
   };
 
-  meta = with lib; {
+  passthru.tests = {
+    inherit (nixosTests) pyload;
+  };
+
+  meta = {
     description = "Free and open-source download manager with support for 1-click-hosting sites";
     homepage = "https://github.com/pyload/pyload";
-    license = licenses.agpl3Plus;
-    maintainers = with maintainers; [ ruby0b ];
+    license = lib.licenses.agpl3Plus;
+    maintainers = with lib.maintainers; [ ruby0b ];
     mainProgram = "pyload";
   };
 }