diff --git a/requirements.txt b/requirements.txt
index c16546c..ea35475 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ MarkupSafe==1.0
 mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.1.5
 numpy==1.15.0
 pandocfilters==1.4.2
 parso==0.3.1