diff --git a/requirements.txt b/requirements.txt
index e9fa8e8..7214234 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ MarkupSafe==1.0
 mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.2.2
+notebook==6.1.5
 numpy==1.13.3
 pandocfilters==1.4.2
 pathlib2==2.3.0