diff --git a/snp/requirements.txt b/snp/requirements.txt
index 6f1589e..5c0af1a 100644
--- a/snp/requirements.txt
+++ b/snp/requirements.txt
@@ -32,7 +32,7 @@ MarkupSafe==1.1.0
 matplotlib==3.0.1
 mistune==0.8.4
 mock==2.0.0
-nbconvert==5.4.0
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.7.0
 numpy==1.15.4