diff --git a/requirements.txt b/requirements.txt
index 4074841..af6034b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ matplotlib==3.1.3
 mistune==0.8.4
 nbconvert==5.6.1
 nbformat==5.0.4
-notebook==6.0.3
+notebook==6.4.12
 numpy==1.18.1
 pandocfilters==1.4.2
 parso==0.6.2