diff --git a/requirements.txt b/requirements.txt
index 9d5fbcc..25314a9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ nbconvert==5.3.1
 nbformat==4.4.0
 networkx==2.0
 nltk==3.2.5
-notebook==5.2.2
+notebook==6.4.12
 numpy==1.13.3
 pandas==0.21.0
 pandocfilters==1.4.2