diff --git a/requirements.txt b/requirements.txt
index 8c32751..14aade6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -127,7 +127,7 @@ netCDF4==1.4.2
 networkx==2.3
 nltk==3.4.5
 nose==1.3.7
-notebook==6.0.0
+notebook==6.4.1
 numba==0.44.1
 numexpr==2.6.9
 numpy==1.16.4