diff --git a/requirements.txt b/requirements.txt
index dd546f4..d778b5b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.10
 pandocfilters==1.4.2
 parso==0.4.0
 pexpect==4.7.0