diff --git a/requirements.txt b/requirements.txt
index 5a7cf7c..77839b0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ matplotlib==3.3.1
 mccabe==0.6.1
 mistune==0.8.4
 msgpack==1.0.0
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.7
 nltk==3.5
 notebook==6.1.1