diff --git a/requirements.txt b/requirements.txt
index 8904882..629815c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ jupyter-core==4.6.1
 lxml==4.2.1
 Markdown==3.1.1
 matplotlib==3.1.1
-nbconvert==5.6.1
+nbconvert==6.5.1
 nbformat==4.4.0
 notebook==6.0.2
 numexpr==2.7.0