diff --git a/src/http_server/requirements.txt b/src/http_server/requirements.txt
index bb757a2..491b71e 100644
--- a/src/http_server/requirements.txt
+++ b/src/http_server/requirements.txt
@@ -29,7 +29,7 @@ mistune==0.8.4
 more-itertools==8.1.0
 nbconvert==5.6.1
 nbformat==5.0.3
-notebook==6.0.2
+notebook==6.4.12
 numpy==1.17.4
 pandocfilters==1.4.2
 parso==0.5.2