diff --git a/requirements.txt b/requirements.txt
index d2e7183..b764d4f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ MarkupSafe==1.1.1
 mistune==0.8.4
 nbconvert==5.4.1
 nbformat==4.4.0
-notebook==6.1.5
+notebook==6.4.10
 numpy==1.16.2
 pandocfilters==1.4.2
 parso==0.3.4