diff --git a/package-lock.json b/package-lock.json
index c19354e..2aacf46 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2188,9 +2188,9 @@
       "integrity": "sha512-8Df0906+tq/omxuCZD6PqhPaQDYuyJ1d+VITgxoIA8zvQd1ru+nMJcDChHH324MWitIgbVkAkQoGEEVJNpn/PA=="
     },
     "nodemailer": {
-      "version": "4.4.2",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-4.4.2.tgz",
-      "integrity": "sha512-sstDxbCSPHDXrWRQhH++khr3yVU0CGvH2dCtAHOPQQ0lRR7xwq2txItEXckMpX481B/cN+0akER2bfExh7Gu/Q=="
+      "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 5835d47..cf1dd1b 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "body-parser": "^1.18.2",
     "express": "^4.16.2",
     "firebase-admin": "^7.0.0",
-    "nodemailer": "^4.4.2",
+    "nodemailer": "^6.4.16",
     "play-sound": "^1.1.2",
     "request": "^2.83.0",
     "ws": "^5.0.0"