diff --git a/requirements.txt b/requirements.txt
index e52fc8f..2d8475a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ mistune==0.8.1
 nbconvert==4.1.0
 nbformat==4.0.1
 nltk==3.4.5
-notebook==5.7.8
+notebook==6.1.5
 numpy==1.10.1
 pandas==0.17.0
 path.py==8.1.2