diff --git a/requirements.txt b/requirements.txt
index 2220ada..6a0e085 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ matplotlib==3.0.3
 mistune==0.8.4
 nbconvert==5.5.0
 nbformat==4.4.0
-notebook==5.7.8
+notebook==6.4.12
 numpy==1.16.3
 pandas==0.24.2
 pandocfilters==1.4.2