diff --git a/requirements.txt b/requirements.txt
index 28db434..78cbef9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ nbformat==5.0.7
 nengo==3.0.0
 neurodynex==0.3.4
 nevergrad==0.3.0
-notebook==6.0.3
+notebook==6.4.1
 numpy==1.18.5
 packaging==20.4
 pandas==1.0.4