diff --git a/requirements.txt b/requirements.txt
index 9f7fd06..78b414f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ MarkupSafe==1.0
 mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.5.0
+notebook==6.1.5
 numpy==1.14.3
 oauthlib==2.1.0
 pandas==0.23.0