diff --git a/requirements.txt b/requirements.txt
index 0c6fa58..583624a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ kiwisolver==1.0.1
 MarkupSafe==1.0
 matplotlib==2.2.2
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 nbopen==0.6
 notebook>=5.7.2