diff --git a/requirements.txt b/requirements.txt
index e1d818a..ad3fac8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ MarkupSafe==1.0
 mistune==0.8.1
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.2.2
+notebook==6.1.5
 pandocfilters==1.4.2
 parso==0.1.0
 pexpect==4.3.0