diff --git a/pkgs/development/python-modules/ipydatawidgets/default.nix b/pkgs/development/python-modules/ipydatawidgets/default.nix
index cacce82794b8..bf3ff8800aab 100644
--- a/pkgs/development/python-modules/ipydatawidgets/default.nix
+++ b/pkgs/development/python-modules/ipydatawidgets/default.nix
@@ -40,6 +40,17 @@ buildPythonPackage rec {
     nbval
   ];
 
+  # Tests bind ports
+  __darwinAllowLocalNetworking = true;
+
+  pytestFlagsArray = [
+    # https://github.com/vidartf/ipydatawidgets/issues/62
+    "--deselect=ipydatawidgets/tests/test_ndarray_trait.py::test_dtype_coerce"
+
+    # https://github.com/vidartf/ipydatawidgets/issues/63
+    "--deselect=examples/test.ipynb::Cell\\\ 3"
+  ];
+
   meta = {
     description = "Widgets to help facilitate reuse of large datasets across different widgets";
     homepage = "https://github.com/vidartf/ipydatawidgets";