diff --git a/reproducibility-updates/2019-04-10/analysis/jupyter/requirements.txt b/reproducibility-updates/2019-04-10/analysis/jupyter/requirements.txt
index 689a5f0..94ca5ce 100644
--- a/reproducibility-updates/2019-04-10/analysis/jupyter/requirements.txt
+++ b/reproducibility-updates/2019-04-10/analysis/jupyter/requirements.txt
@@ -19,7 +19,7 @@ kiwisolver==1.0.1
 MarkupSafe==1.0
 matplotlib==2.2.3
 mistune==0.8.3
-nbconvert==5.3.1
+nbconvert==6.3.0
 nbformat==4.4.0
 notebook==5.6.0
 numpy==1.15.1