diff --git a/requirements.txt b/requirements.txt
index 954f9d0..09bc5c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ kiwisolver==1.0.1
 MarkupSafe==1.1.1
 matplotlib==3.0.3
 mistune==0.8.4
-nbconvert==5.4.1
+nbconvert==6.5.1
 nbformat==4.4.0
 networkx==2.3
 nltk==3.4.1