diff --git a/setup.cfg b/setup.cfg
index 21427c3..85a6191 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -29,7 +29,6 @@ install_requires =
     ipython~=7.0
     ipywidgets~=7.6
     traitlets~=5.0
-    widgetsnbextension<3.6.3
     notebook~=6.0
 python_requires = >=3.9