diff --git a/Dockerfile b/Dockerfile
index c8046e9..c32aed3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@
 # AUTHOR:         Christian Glusa
 
 # Base docker image
-FROM debian:stable
+FROM docker.io/library/debian:stable
 LABEL maintainer Christian Glusa
 
 # install packages needed for build
diff --git a/entrypoint.sh b/entrypoint.sh
index 7650561..fd1aef8 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -3,8 +3,8 @@ set -e
 
 mkdir -p ~/examples
 mkdir -p ~/drivers
-cp -r --update=none /pynucleus/examples/* ~/examples
-cp -r --update=none /pynucleus/drivers/* ~/drivers
+cp -r -u /pynucleus/examples/* ~/examples
+cp -r -u /pynucleus/drivers/* ~/drivers
 
 jupyter notebook --port=8889 --no-browser --allow-root --ip=0.0.0.0 \
         --NotebookApp.token='' --NotebookApp.password='' \