diff --git a/requirements.txt b/requirements.txt
index 6666100..c7e732c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ matplotlib==2.1.2
 mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.1.5
 numpy==1.14.0
 pandas==0.22.0
 pandocfilters==1.4.2