diff --git a/requirements.txt b/requirements.txt
index 00ebb67..fedd381 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ MySQL-python==1.2.5
 mysqlclient==1.3.12
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==6.1.5
+notebook==6.4.12
 numpy==1.14.1
 pandocfilters==1.4.2
 pathlib2==2.3.2