diff --git a/pkgs/by-name/fl/flent/package.nix b/pkgs/by-name/fl/flent/package.nix
index 3c75ba139927..523f72e2659b 100644
--- a/pkgs/by-name/fl/flent/package.nix
+++ b/pkgs/by-name/fl/flent/package.nix
@@ -2,18 +2,21 @@
   lib,
   python3Packages,
   fetchPypi,
+  qt6,
+  irtt,
+  iputils,
+  netperf,
   procps,
-  qt5,
   nix-update-script,
 }:
 python3Packages.buildPythonApplication (finalAttrs: {
   pname = "flent";
-  version = "2.2.0";
+  version = "2.3.0";
   pyproject = true;
 
   src = fetchPypi {
     inherit (finalAttrs) pname version;
-    hash = "sha256-BPwh3oWIY1YEI+ecgi9AUiX4Ka/Y5dYikwmfvvNB+eg=";
+    hash = "sha256-qy+BvMpBDBtBqEEM9yEko/Gb2pusxF/LqiutSKlS2eE=";
   };
 
   build-system = with python3Packages; [
@@ -21,11 +24,23 @@ python3Packages.buildPythonApplication (finalAttrs: {
     sphinx
   ];
 
-  nativeBuildInputs = [ qt5.wrapQtAppsHook ];
+  nativeBuildInputs = [ qt6.wrapQtAppsHook ];
+  buildInputs = [ qt6.qtbase ];
+  makeWrapperArgs = [
+    "--prefix"
+    "PATH"
+    ":"
+    (lib.makeBinPath [
+      iputils
+      irtt
+      netperf
+      procps
+    ])
+  ];
 
   dependencies = with python3Packages; [
     matplotlib
-    pyqt5
+    pyqt6
     qtpy
   ];
 
@@ -36,17 +51,10 @@ python3Packages.buildPythonApplication (finalAttrs: {
     sed -i 's|self.skip|pass; #&|' unittests/test_gui.py
 
     # Dummy qt setup for gui tests
-    export QT_PLUGIN_PATH="${qt5.qtbase.bin}/${qt5.qtbase.qtPluginPrefix}"
+    export QT_PLUGIN_PATH="${qt6.qtbase}/${qt6.qtbase.qtPluginPrefix}"
     export QT_QPA_PLATFORM=offscreen
   '';
 
-  preFixup = ''
-    makeWrapperArgs+=(
-      "''${qtWrapperArgs[@]}"
-      --prefix PATH : ${lib.makeBinPath [ procps ]}
-    )
-  '';
-
   passthru.updateScript = nix-update-script { };
   meta = {
     description = "FLExible Network Tester";