diff --git a/src/http_server/requirements.txt b/src/http_server/requirements.txt
index bb757a2..fc8aa85 100644
--- a/src/http_server/requirements.txt
+++ b/src/http_server/requirements.txt
@@ -27,7 +27,7 @@ jupyter-core==4.6.1
 MarkupSafe==1.1.1
 mistune==0.8.4
 more-itertools==8.1.0
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.3
 notebook==6.0.2
 numpy==1.17.4