diff --git a/Dockerfile b/Dockerfile
index cbe653b..5c38075 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:yakkety
 MAINTAINER Tim Byrne <sultan@locehilios.com>
 
 # Install prerequisites
-RUN apt-get update && apt-get install -y git gnupg1 make shellcheck bats expect
+RUN apt-get update && apt-get install -y git gnupg1 make shellcheck bats expect curl
 
 # Force GNUPG version 1 at path /usr/bin/gpg
 RUN ln -fs /usr/bin/gpg1 /usr/bin/gpg