diff --git a/requirements.txt b/requirements.txt
index a6e7271..6658983 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ mistune==0.8.4
 more-itertools==7.2.0
 nbconvert==5.6.1
 nbformat==4.4.0
-notebook==6.0.2
+notebook==6.4.12
 numpy==1.15.1
 pandas==0.25.3
 pandocfilters==1.4.2