diff --git a/xplainet/pyproject.toml b/xplainet/pyproject.toml
index a21dcd3..4eebd9b 100755
--- a/xplainet/pyproject.toml
+++ b/xplainet/pyproject.toml
@@ -19,7 +19,7 @@ scikit-learn = "0.23.2"
 
 [tool.poetry.dev-dependencies]
 pytest = "6.1.2"
-notebook = "6.1.5"
+notebook = "7.3.2"
 ipywidgets = "7.5.1"
 requests = "2.25.0"
 matplotlib = "3.3.3"