diff --git a/requirements.txt b/requirements.txt
index 8712f72..97a1275 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ lazy-object-proxy==1.3.1
 MarkupSafe==1.0
 mccabe==0.6.1
 mistune==0.8.3
-nbconvert==5.4.0
+nbconvert==6.5.1
 nbformat==4.4.0
 nltk==3.4.5
 notebook==6.1.5