diff --git a/requirements.txt b/requirements.txt
index efbc3a7..88692ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ matplotlib==3.0.2
 mistune==0.8.3
 nbconvert==5.4.0
 nbformat==4.4.0
-notebook==5.7.0
+notebook==6.4.10
 numpy==1.15.2
 pandas==0.24.1
 pandocfilters==1.4.2