diff --git a/datascience-notebook/Dockerfile b/datascience-notebook/Dockerfile
index e956a45f..ea6c92c7 100644
--- a/datascience-notebook/Dockerfile
+++ b/datascience-notebook/Dockerfile
@@ -22,6 +22,7 @@ RUN apt-get update && \
 
 # Julia dependencies
 # install Julia packages in /opt/julia instead of $HOME
+ENV JULIA_DEPOT_PATH=/opt/julia
 ENV JULIA_PKGDIR=/opt/julia
 ENV JULIA_VERSION=1.0.0