diff --git a/requirements.txt b/requirements.txt
index fb90a4d..262a3a8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ jupyter-core==4.3.0
 Markdown==2.6.9
 MarkupSafe==1.0
 mistune==0.7.4
-nbconvert==5.2.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.0.0
 numpy==1.13.1