diff --git a/reproducibility-updates/2019-04-10/analysis/jupyter/requirements.txt b/reproducibility-updates/2019-04-10/analysis/jupyter/requirements.txt
index 689a5f0..93c751d 100644
--- a/reproducibility-updates/2019-04-10/analysis/jupyter/requirements.txt
+++ b/reproducibility-updates/2019-04-10/analysis/jupyter/requirements.txt
@@ -21,7 +21,7 @@ matplotlib==2.2.3
 mistune==0.8.3
 nbconvert==5.3.1
 nbformat==4.4.0
-notebook==5.6.0
+notebook==6.4.10
 numpy==1.15.1
 pandas==0.23.4
 pandocfilters==1.4.2