diff --git a/requirements.txt b/requirements.txt
index 8dbbeb4..3477517 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ Markdown==3.0.1
 MarkupSafe==1.1.1
 mistune==0.8.4
 more-itertools==7.2.0
-nbconvert==5.6.0
+nbconvert==6.5.1
 nbformat==4.4.0
 nltk==3.4
 notebook==6.0.1