diff --git a/requirements.txt b/requirements.txt
index a7afffa..4635166 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ more-itertools==4.3.0
 msgpack==0.5.6
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.6.0
+notebook==6.4.10
 numpy==1.15.1
 pandas==0.23.4
 pandocfilters==1.4.2