diff --git a/app/main.js b/app/main.js
index 64cb3ae..cc61325 100644
--- a/app/main.js
+++ b/app/main.js
@@ -4,6 +4,7 @@ import Setup from './lib/setup.js'
 import Package from './lib/package.js'
 import Tag from './lib/tag.js'
 import Regex from './lib/regex.js'
+import Dockerfile from './lib/docker.js'
 
 async function run () {
   try {