diff --git a/functions/package-lock.json b/functions/package-lock.json
index 02733d9..f8929cb 100644
--- a/functions/package-lock.json
+++ b/functions/package-lock.json
@@ -2079,9 +2079,9 @@
       "integrity": "sha512-sol30LUpz1jQFBjOKwbjxijiE3b6pjd74YwfD0fJOKPjF+fONKb2Yg8rYgS6+bK6VDl+/wfr4IYpC7jDzLUIfw=="
     },
     "nodemailer": {
-      "version": "6.4.10",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.10.tgz",
-      "integrity": "sha512-j+pS9CURhPgk6r0ENr7dji+As2xZiHSvZeVnzKniLOw1eRAyM/7flP0u65tCnsapV8JFu+t0l/5VeHsCZEeh9g=="
+      "version": "6.4.16",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.16.tgz",
+      "integrity": "sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ=="
     },
     "object-assign": {
       "version": "4.1.1",
diff --git a/functions/package.json b/functions/package.json
index 7af6c6c..3a680b2 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -15,7 +15,7 @@
   "dependencies": {
     "firebase-admin": "^8.10.0",
     "firebase-functions": "^3.6.1",
-    "nodemailer": "^6.4.10"
+    "nodemailer": "^6.4.16"
   },
   "devDependencies": {
     "eslint": "^5.12.0",