diff --git a/requirements.txt b/requirements.txt
index 6ddaa4a..8156e83 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ mistune==0.8.4
 more-itertools==7.2.0
 mpld3==0.3
 mpmath==1.1.0
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.0.2
 numpy==1.17.4