diff --git a/requirements.txt b/requirements.txt
index 8ebb404..db5ec4e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ matplotlib==3.1.1
 mistune==0.8.4
 nbconvert==5.6.0
 nbformat==4.4.0
-notebook==6.0.0
+notebook==6.4.1
 numpy==1.17.0
 pandocfilters==1.4.2
 parso==0.5.1