diff --git a/requirements.txt b/requirements.txt
index 34751db..edfcc0c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ MarkupSafe==1.0
 matplotlib==2.0.2
 mistune==0.7.4
 mpmath==0.19
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 neat-python==0.92
 notebook==5.1.0