diff --git a/requirements.txt b/requirements.txt
index 3e2049f..02493e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ MarkupSafe==1.1.1
 matplotlib==3.0.3
 mistune==0.8.4
 murmurhash==1.0.2
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==5.0.6
 nltk==3.5
 notebook==6.0.3