diff --git a/package.json b/package.json
index e8af9bd..3374889 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "dependencies": {
     "lodash": "^4.11.1",
     "mandrill-api": "^1.0.45",
-    "nodemailer": "^2.3.2",
+    "nodemailer": "^6.4.16",
     "swig": "^1.4.2"
   },
   "devDependencies": {