diff --git a/pkgs/development/python-modules/jupyterlab_server/default.nix b/pkgs/development/python-modules/jupyterlab_server/default.nix
index 59cf42721426..7f1a729b5b1a 100644
--- a/pkgs/development/python-modules/jupyterlab_server/default.nix
+++ b/pkgs/development/python-modules/jupyterlab_server/default.nix
@@ -8,37 +8,51 @@
 , pyjson5
 , Babel
 , jupyter_server
+, openapi-core
 , pytest-tornasync
 , pytestcov
+, ruamel-yaml
 , strict-rfc3339
 }:
 
 buildPythonPackage rec {
   pname = "jupyterlab_server";
   version = "2.6.0";
-  disabled = pythonOlder "3.5";
+  disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "f300adf6bb0a952bebe9c807a3b2a345d62da39b476b4f69ea0dc6b5f3f6b97d";
   };
 
+  postPatch = ''
+    sed -i "/^addopts/d" pyproject.toml
+  '';
+
   propagatedBuildInputs = [ requests jsonschema pyjson5 Babel jupyter_server ];
 
   checkInputs = [
+    openapi-core
     pytestCheckHook
     pytest-tornasync
-    pytestcov
+    ruamel-yaml
     strict-rfc3339
   ];
 
+  pytestFlagsArray = [ "--pyargs" "jupyterlab_server" ];
+
   disabledTests = [
-    "test_get_locale"
-    "test_get_installed_language_pack_locales_passes"
-    "test_get_installed_package_locales"
-    "test_get_installed_packages_locale"
-    "test_get_language_packs"
-    "test_get_language_pack"
+    # AttributeError: 'SpecPath' object has no attribute 'paths'
+    "test_get_listing"
+    "test_get_settings"
+    "test_get_federated"
+    "test_listing"
+    "test_patch"
+    "test_patch_unicode"
+    "test_get_theme"
+    "test_delete"
+    "test_get_non_existant"
+    "test_get"
   ];
 
   __darwinAllowLocalNetworking = true;