diff --git a/requirements.txt b/requirements.txt
index 5c2d657..706496f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ nb-conda-kernels==2.1.0
 nbconvert==5.5.0
 nbformat==4.4.0
 nbpresent==3.0.2
-notebook==5.6.0
+notebook==6.4.12
 numpy==1.16.4
 olefile==0.46
 pandas==0.24.2