diff --git a/requirements.txt b/requirements.txt
index ecbb2d1..c2ca191 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ MarkupSafe==1.1.0
 matplotlib==3.0.1
 mistune==0.8.4
 munkres==1.0.12
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 networkx==2.2
 notebook==5.7.1