diff --git a/requirements.txt b/requirements.txt
index 2787ea0..d3b33f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ jupyter-core==4.4.0
 MarkupSafe==1.0
 matplotlib==2.1.1
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.3.1
 numpy==1.14.0