diff --git a/requirements.txt b/requirements.txt
index faf8d6f..a435178 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -71,7 +71,7 @@ matplotlib==3.3.4
 mglearn==0.1.7
 mistune==0.8.4
 murmurhash==1.0.5
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.4
 nltk==3.6.5
 numexpr==2.7.3