diff --git a/requirements.txt b/requirements.txt
index 53efac6..4641e5b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ MarkupSafe==1.1.1
 matplotlib==3.2.2
 mistune==0.8.4
 murmurhash==1.0.2
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.7
 networkx==2.4
 nmslib==2.0.6