diff --git a/requirements.txt b/requirements.txt
index b73e20d..91d84d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ mistune==0.8.3
 nbconvert==5.4.0
 nbformat==4.4.0
 nltk==3.4.5
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.15.3
 oauthlib==2.1.0
 pandas==0.23.3