diff --git a/requirement.txt b/requirement.txt
index 722d11a..168ec29 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -33,7 +33,7 @@ jupyter-core==4.4.0
 Markdown==2.6.11
 MarkupSafe==1.0
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==5.6.0
 numpy==1.15.0