diff --git a/package.json b/package.json
index 2156369..84731e2 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,8 @@
     "dns-sync": "^0.1.3",
     "imap": "^0.8.17",
     "mocha": "^2.2.5",
+    "nodemailer": "^2.4.2",
+    "nodemailer-smtp-transport": "^2.5.0",
     "once": "^1.3.3",
     "postmark": "^1.0.0",
     "quoted-printable": "^1.0.0",