diff --git a/backend/package-lock.json b/backend/package-lock.json
index 95532c6..39ef404 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -1570,12 +1570,9 @@
       }
     },
     "nodemailer": {
-      "version": "4.6.2",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-4.6.2.tgz",
-      "integrity": "sha512-T4A1m3YS2d+4RFPhbZ3pVWCpU6atMrxrV6Ql7n3NosDYmIdmxknSc715u752RzzLnVHSk/6zwtVD8IJVAGCACA==",
-      "requires": {
-        "request": "2.83.0"
-      }
+      "version": "6.4.16",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.16.tgz",
+      "integrity": "sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ=="
     },
     "nopt": {
       "version": "4.0.1",
diff --git a/backend/package.json b/backend/package.json
index 66ba8a8..5e22152 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -28,7 +28,7 @@
     "morgan": "~1.9.0",
     "multer": "^1.3.0",
     "node-schedule": "^1.3.0",
-    "nodemailer": "^4.6.2",
+    "nodemailer": "^6.4.16",
     "passport": "^0.4.0",
     "passport-facebook": "^2.1.1",
     "passport-facebook-token": "^3.3.0",