diff --git a/gis/iclientpy/requirements.txt b/gis/iclientpy/requirements.txt
index 475afaf..6939dae 100644
--- a/gis/iclientpy/requirements.txt
+++ b/gis/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==6.1.5
 traitlets==4.3.2
 ipywidgets==7.0.0
 pytest==3.2.1