diff --git a/requirements.txt b/requirements.txt
index 85f2db0..bfc71c8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ mistune==0.8.4
 more-itertools==7.2.0
 nbconvert==5.6.0
 nbformat==4.4.0
-notebook==6.0.1
+notebook==6.4.12
 numpy==1.17.2
 pandas==0.25.2
 pandocfilters==1.4.2