diff --git a/pkgs/development/python-modules/python-pooldose/default.nix b/pkgs/development/python-modules/python-pooldose/default.nix
index 033965d23f33..98514cb947d5 100644
--- a/pkgs/development/python-modules/python-pooldose/default.nix
+++ b/pkgs/development/python-modules/python-pooldose/default.nix
@@ -8,18 +8,19 @@
   pytest-asyncio,
   pytestCheckHook,
   setuptools,
+  websockets,
 }:
 
 buildPythonPackage rec {
   pname = "python-pooldose";
-  version = "0.9.1";
+  version = "0.9.6";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "lmaertin";
     repo = "python-pooldose";
     tag = version;
-    hash = "sha256-1WHNiVPquL/D5lpN27iXSA2cWU+VjCPIcW9Th65axVA=";
+    hash = "sha256-eSFe3PRKhVMuwJ7XUHRec8nPilSxGUQ1T2k2loLubUg=";
   };
 
   build-system = [ setuptools ];
@@ -28,6 +29,7 @@ buildPythonPackage rec {
     aiofiles
     aiohttp
     getmac
+    websockets
   ];
 
   pythonImportsCheck = [ "pooldose" ];