diff --git a/requirements.txt b/requirements.txt
index fd0e7f6..0b6f118 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ matplotlib==3.2.1
 mistune==0.8.4
 more-itertools==8.3.0
 murmurhash==1.0.2
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.6
 nltk==3.5
 notebook==6.0.3