diff --git a/package-lock.json b/package-lock.json
index b737a42..9dab89c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2192,9 +2192,9 @@
       }
     },
     "nodemailer": {
-      "version": "4.6.6",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-4.6.6.tgz",
-      "integrity": "sha512-sIcM/Do0XBJmu7ruENLoR+4TCk0B4C1ftqRjWrVeoez9Dt23SmL9bXKqswVqyxuT/RdK8TKWciZvxHykerXCRw=="
+      "version": "6.4.16",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.16.tgz",
+      "integrity": "sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ=="
     },
     "number-is-nan": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index 16cb0b6..25141c0 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "moment": "^2.22.1",
     "node-cmd": "^3.0.0",
     "node-rest-client": "^3.1.0",
-    "nodemailer": "^4.6.6",
+    "nodemailer": "^6.4.16",
     "queue-fifo": "^0.2.6",
     "request": "^2.88.0",
     "request-promise": "^4.2.2",