diff --git a/requirements.txt b/requirements.txt
index c5a3637..c7a6449 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ jupyter-core==4.4.0
 MarkupSafe==1.0
 matplotlib==2.1.2
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.3.1
 numpy==1.14.0