diff --git a/requirements.txt b/requirements.txt
index 0936390..6bf2adf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ mistune==0.8.4
 mpmath==1.1.0
 nbconvert==5.6.1
 nbformat==5.0.7
-notebook==6.1.3
+notebook==6.1.5
 numpy==1.19.1
 packaging==20.4
 pandas==1.1.1