diff --git a/requirements.txt b/requirements.txt
index f9b74a5..bbf7d1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ MarkupSafe==1.0
 mistune==0.8.1
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.2.1
+notebook==6.4.12
 numpy==1.13.3
 pandas==0.21.0
 pandocfilters==1.4.2