diff --git a/requirements.txt b/requirements.txt
index ef56bb9..c26b807 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ jupyter-core==4.1.0
 MarkupSafe==0.23
 mistune==0.7.2
 mock==2.0.0
-nbconvert==4.2.0
+nbconvert==6.5.1
 nbformat==4.0.1
 notebook==4.2.0
 numpy==1.12.1