diff --git a/requirements.txt b/requirements.txt
index 9a4fb0c..a1600fa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ mkl-fft==1.0.6
 mkl-random==1.0.1
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.16.4
 pandas==0.24.2
 pandocfilters==1.4.2