diff --git a/iclientpy/requirements.txt b/iclientpy/requirements.txt
index 0bc759b..e814307 100644
--- a/iclientpy/requirements.txt
+++ b/iclientpy/requirements.txt
@@ -8,7 +8,7 @@ geojson==2.3.0
 setuptools==36.5.0
 ipyleaflet==0.5.3
 ipykernel==4.6.1
-notebook==5.6.0
+notebook==6.4.10
 traitlets==4.3.2
 ipywidgets==7.0.0
 pytest==3.2.1