diff --git a/pkgs/development/python-modules/pywebview/default.nix b/pkgs/development/python-modules/pywebview/default.nix
index f12d943aad7c..545fb2367322 100644
--- a/pkgs/development/python-modules/pywebview/default.nix
+++ b/pkgs/development/python-modules/pywebview/default.nix
@@ -1,23 +1,32 @@
-{ lib, buildPythonPackage, fetchFromGitHub }:
+{ lib, buildPythonPackage, fetchFromGitHub, pythonOlder
+, importlib-resources, pytest, xvfb_run }:
 
 buildPythonPackage rec {
   pname = "pywebview";
-  version = "3.2";
+  version = "3.3.1";
+  disabled = pythonOlder "3.5";
 
   src = fetchFromGitHub {
     owner = "r0x0r";
     repo = "pywebview";
     rev = version;
-    sha256 = "0anwm6s0pp7xmgylr4m52v7lw825sdby7fajcl929l099n757gq7";
+    sha256 = "015z7n0hdgkzn0p7aw1xsv6lwc260p8q67jx0zyd1zghnwyj8k79";
   };
 
-  # disabled due to error in loading unittest
-  # don't know how to make test from: None
-  doCheck = false;
+  propagatedBuildInputs = lib.optionals (pythonOlder "3.7") [ importlib-resources ];
+
+  checkInputs = [ pytest xvfb_run ];
+
+  checkPhase = ''
+    pushd tests
+    patchShebangs run.sh
+    xvfb-run -s '-screen 0 800x600x24' ./run.sh
+    popd
+  '';
 
   meta = with lib; {
     homepage = "https://github.com/r0x0r/pywebview";
-    description = "Lightweight cross-platform wrapper around a webview.";
+    description = "Lightweight cross-platform wrapper around a webview";
     license = licenses.bsd3;
     maintainers = with maintainers; [ jojosch ];
   };