diff --git a/requirements.txt b/requirements.txt
index ee46b4c..3a1a29a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ jupyter-client==5.0.1
 jupyter-console==5.1.0
 jupyter-core==4.3.0
 matplotlib==2.0.2
-nbconvert==5.2.1
+nbconvert==6.5.1
 nbformat==4.3.0
 nltk==3.3
 notebook==5.0.0