diff --git a/requirements.txt b/requirements.txt
index f6293a5..3a9c374 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ jupyter-core==4.2.1
 MarkupSafe==0.23
 matplotlib==2.0.0
 mistune==0.8.1
-nbconvert==4.2.0
+nbconvert==6.3.0
 nbformat==4.2.0
 notebook==6.4.10 
 numpy==1.11.3