diff --git a/pkgs/development/python-modules/napari-npe2/default.nix b/pkgs/development/python-modules/napari-npe2/default.nix
index 02a0a99047e3..25b6bfbbd2da 100644
--- a/pkgs/development/python-modules/napari-npe2/default.nix
+++ b/pkgs/development/python-modules/napari-npe2/default.nix
@@ -1,20 +1,20 @@
 {
   lib,
-  appdirs,
-  build,
   buildPythonPackage,
   fetchFromGitHub,
   hatchling,
   hatch-vcs,
-  magicgui,
-  napari, # reverse dependency, for tests
-  pydantic,
   pythonOlder,
-  pytomlpp,
   pyyaml,
+  platformdirs,
+  build,
+  psygnal,
+  pydantic,
+  tomli-w,
+  tomli,
   rich,
   typer,
-  tomli-w,
+  napari, # reverse dependency, for tests
 }:
 
 buildPythonPackage rec {
@@ -37,15 +37,17 @@ buildPythonPackage rec {
   ];
 
   dependencies = [
-    appdirs
-    build
-    magicgui
-    pydantic
-    pytomlpp
     pyyaml
+    platformdirs
+    build
+    psygnal
+    pydantic
+    tomli-w
     rich
     typer
-    tomli-w
+  ]
+  ++ lib.optionals (pythonOlder "3.11") [
+    tomli
   ];
 
   pythonImportsCheck = [ "npe2" ];
@@ -54,11 +56,11 @@ buildPythonPackage rec {
     inherit napari;
   };
 
-  meta = with lib; {
+  meta = {
     description = "Plugin system for napari (the image visualizer)";
     homepage = "https://github.com/napari/npe2";
-    license = licenses.bsd3;
-    maintainers = with maintainers; [ SomeoneSerge ];
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ SomeoneSerge ];
     mainProgram = "npe2";
   };
 }