diff --git a/package.json b/package.json
index 490b1f7..83bfa90 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
   "repository": "https://github.com/75lb/local-web-server",
   "author": "Lloyd Brookes <75pound@gmail.com>",
   "dependencies": {
+    "ansi-escape-sequences": "^2.2.1",
     "command-line-args": "^2.0.2",
     "config-master": "^2",
     "http-proxy": "^1.12.0",