diff --git a/requirements.txt b/requirements.txt
index 1d8b4ec..91eb4d7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ more-itertools==5.0.0
 nbconvert==5.3.1
 nbformat==4.4.0
 networkx==2.2
-notebook==5.7.4
+notebook==6.4.12
 numpy==1.15.4
 pandocfilters==1.4.2
 parso==0.3.1