diff --git a/package.json b/package.json
index 8e6a76c..d6e6998 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
     "dev": "nodemon src/server.js"
   },
   "dependencies": {
+    "@mailchimp/mailchimp_transactional": "^1.0.59",
     "cors": "^2.8.5",
     "dotenv": "^17.2.0",
     "express": "^4.18.2",