diff --git a/sample-project/Dockerfile b/sample-project/Dockerfile
index f228b33..1a095d0 100644
--- a/sample-project/Dockerfile
+++ b/sample-project/Dockerfile
@@ -3,7 +3,5 @@ FROM ubuntu:14.04
 
 # installs Dockito Vault ONVAULT utility
 # https://github.com/dockito/vault
-RUN apt-get update -y && \
-    apt-get install -y curl && \
-    curl -L https://raw.githubusercontent.com/dockito/vault/master/ONVAULT > /usr/local/bin/ONVAULT && \
-    chmod +x /usr/local/bin/ONVAULT
+ADD https://raw.githubusercontent.com/dockito/vault/master/ONVAULT /usr/local/bin/ONVAULT
+RUN chmod +x /usr/local/bin/ONVAULT