diff --git a/requirements.txt b/requirements.txt
index 922f869..17a86e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ mistune==0.7.4
 nbconvert==5.1.1
 nbformat==4.3.0
 nltk==3.2.4
-notebook==5.0.0
+notebook==6.4.12
 numpy==1.12.1
 olefile==0.44
 packaging==16.8