diff --git a/requirements.txt b/requirements.txt
index 8f98481..193a5b5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ MarkupSafe==1.0
 matplotlib==2.2.2
 mistune==0.8.3
 mpmath==1.0.0
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.4.1
 numpy==1.14.2