diff --git a/requirements.txt b/requirements.txt
index 58da3c9..97757be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ markupsafe==1.0
 matplotlib==2.2.2
 mistune==0.8.3
 multitasking==0.0.7
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 nose==1.3.7
 notebook==5.5.0