diff --git a/requirements.txt b/requirements.txt
index ba08c11..566c4e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ jupyter-core==4.3.0
 Lasagne==0.1
 MarkupSafe==1.0
 matplotlib==2.0.2
-nbconvert==5.2.1
+nbconvert==6.5.1
 nbformat==4.4.0
 numpy==1.13.1
 pandas==0.20.3