diff --git a/api/frozen_requirements.txt b/api/frozen_requirements.txt
index c184185..c42ed34 100644
--- a/api/frozen_requirements.txt
+++ b/api/frozen_requirements.txt
@@ -35,7 +35,7 @@ MarkupSafe==1.1.1
 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