diff --git a/pkgs/applications/audio/ledfx/default.nix b/pkgs/applications/audio/ledfx/default.nix
index bcbe1bc397d3..f45c7dc3af55 100644
--- a/pkgs/applications/audio/ledfx/default.nix
+++ b/pkgs/applications/audio/ledfx/default.nix
@@ -6,12 +6,12 @@
 
 python3.pkgs.buildPythonPackage rec {
   pname = "ledfx";
-  version = "2.0.96";
+  version = "2.0.99";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-nvPHAnoD5j1rneeuMufQkXj8YWXau2zJYug+Avpe87I=";
+    hash = "sha256-pwrAVcIwZ3RDYFMDk80q5aVSqLTQ5weZqgB3GRRu2ig=";
   };
 
   pythonRelaxDeps = true;
@@ -58,6 +58,7 @@ python3.pkgs.buildPythonPackage rec {
     sounddevice
     stupidartnet
     uvloop
+    vnoise
     voluptuous
     zeroconf
   ];
@@ -71,5 +72,6 @@ python3.pkgs.buildPythonPackage rec {
     changelog = "https://github.com/LedFx/LedFx/blob/${version}/CHANGELOG.rst";
     license = licenses.gpl3Only;
     maintainers = teams.c3d2.members;
+    mainProgram = "ledfx";
   };
 }
diff --git a/pkgs/development/python-modules/pystray/default.nix b/pkgs/development/python-modules/pystray/default.nix
index 07cd05cad527..a448933fcc78 100644
--- a/pkgs/development/python-modules/pystray/default.nix
+++ b/pkgs/development/python-modules/pystray/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
   pillow,
   xlib,
   six,
@@ -15,19 +16,28 @@
 
 buildPythonPackage rec {
   pname = "pystray";
-  version = "0.19.2";
-  format = "pyproject";
+  version = "0.19.5";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "moses-palmer";
     repo = "pystray";
     rev = "v${version}";
-    hash = "sha256-8B178MSe4ujlnGBmQhIu+BoAh1doP9V5cL0ermLQTvs=";
+    hash = "sha256-CZhbaXwKFrRBEomzfFPMQdMkTOl5lbgI64etfDRiRu4=";
   };
 
+  patches = [
+    # fix test_menu_construct_from_none test case
+    # https://github.com/moses-palmer/pystray/pull/133
+    (fetchpatch {
+      url = "https://github.com/moses-palmer/pystray/commit/813007e3034d950d93a2f3e5b029611c3c9c98ad.patch";
+      hash = "sha256-m2LfZcWXSfgxb73dac21VDdMDVz3evzcCz5QjdnfM1U=";
+    })
+  ];
+
   postPatch = ''
     substituteInPlace setup.py \
-      --replace "'sphinx >=1.3.1'" ""
+      --replace-fail "'sphinx >=1.3.1'" ""
   '';
 
   nativeBuildInputs = [
diff --git a/pkgs/development/python-modules/vnoise/default.nix b/pkgs/development/python-modules/vnoise/default.nix
new file mode 100644
index 000000000000..02f917bc17ac
--- /dev/null
+++ b/pkgs/development/python-modules/vnoise/default.nix
@@ -0,0 +1,35 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, numpy
+, pytestCheckHook
+, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "vnoise";
+  version = "0.1.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "plottertools";
+    repo = "vnoise";
+    rev = version;
+    hash = "sha256-nflAh3vj48wneM0wy/+M+XD6GC63KZEIFb1x4SS46YI=";
+  };
+
+  nativeBuildInputs = [ setuptools ];
+
+  propagatedBuildInputs = [ numpy ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  pythonImportsCheck = [ "vnoise" ];
+
+  meta = with lib; {
+    description = "Vectorized, pure-Python Perlin noise library";
+    homepage = "https://github.com/plottertools/vnoise";
+    license = licenses.mit;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 0935850e0540..425055d06382 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -16718,6 +16718,8 @@ self: super: with self; {
 
   vncdo = callPackage ../development/python-modules/vncdo { };
 
+  vnoise = callPackage ../development/python-modules/vnoise { };
+
   vobject = callPackage ../development/python-modules/vobject { };
 
   volatile = callPackage ../development/python-modules/volatile { };