diff --git a/requirements.txt b/requirements.txt
index ccd0038..33bfcfb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ jupyter-core==4.3.0
 MarkupSafe==1.0
 mistune==0.7.4
 mock==2.0.0
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 pandocfilters==1.4.2
 pathlib2==2.3.0