diff --git a/requirements.txt b/requirements.txt
index d6d05a7..470d8c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -71,7 +71,7 @@ nbconvert==5.4.1
 nbformat==4.4.0
 networkx==2.3
 nltk==3.4.5
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.16.4
 packaging==19.1
 pandocfilters==1.4.2