diff --git a/pkgs/development/python-modules/pytest-sanic/default.nix b/pkgs/development/python-modules/pytest-sanic/default.nix
index 761f4deed2dc..edcc430c1d8c 100644
--- a/pkgs/development/python-modules/pytest-sanic/default.nix
+++ b/pkgs/development/python-modules/pytest-sanic/default.nix
@@ -12,13 +12,13 @@
 
 buildPythonPackage rec {
   pname = "pytest-sanic";
-  version = "1.8.1";
+  version = "1.9.1";
 
   src = fetchFromGitHub {
     owner = "yunstanford";
     repo = pname;
     rev = "v${version}";
-    sha256 = "128qxpqilqjhpjzjzzfzsgi4bc0vxwmz0k3xwry6fwhyzcf2bzl5";
+    sha256 = "sha256-82Xq/jyxTXyZVHqn7G+S9K++InDdORCO9oFqgaIgY7s=";
   };
 
   buildInputs = [
@@ -38,33 +38,14 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
-  postPatch = ''
-    # https://github.com/yunstanford/pytest-sanic/issues/55
-    substituteInPlace setup.py \
-      --replace "websockets>=8.1,<9.0" "websockets>=9.1,<10.0"
-  '';
-
-  disabledTests = [
-    # https://github.com/yunstanford/pytest-sanic/issues/51
-    "test_fixture_sanic_client_get"
-    "test_fixture_sanic_client_post"
-    "test_fixture_sanic_client_put"
-    "test_fixture_sanic_client_delete"
-    "test_fixture_sanic_client_patch"
-    "test_fixture_sanic_client_options"
-    "test_fixture_sanic_client_head"
-    "test_fixture_sanic_client_close"
-    "test_fixture_sanic_client_passing_headers"
-    "test_fixture_sanic_client_context_manager"
-    "test_fixture_test_client_context_manager"
+  pythonImportsCheck = [
+    "pytest_sanic"
   ];
 
-  pythonImportsCheck = [ "pytest_sanic" ];
-
   meta = with lib; {
     description = "A pytest plugin for Sanic";
     homepage = "https://github.com/yunstanford/pytest-sanic/";
     license = licenses.asl20;
-    maintainers = [ maintainers.costrouc ];
+    maintainers = with maintainers; [ costrouc ];
   };
 }