diff --git a/requirements.txt b/requirements.txt
index 3c1bb85..16fc31b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==4.4.0
-notebook==6.0.2
+notebook==6.4.1
 pandocfilters==1.4.2
 parso==0.5.1
 pexpect==4.7.0