diff --git a/back-end/package-lock.json b/back-end/package-lock.json
index f2a4dd0..15eb6eb 100644
--- a/back-end/package-lock.json
+++ b/back-end/package-lock.json
@@ -4749,9 +4749,9 @@
       }
     },
     "nodemailer": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.3.0.tgz",
-      "integrity": "sha512-TEHBNBPHv7Ie/0o3HXnb7xrPSSQmH1dXwQKRaMKDBGt/ZN54lvDVujP6hKkO/vjkIYL9rK8kHSG11+G42Nhxuw=="
+      "version": "6.4.16",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.16.tgz",
+      "integrity": "sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ=="
     },
     "nodemailer-express-handlebars": {
       "version": "3.1.0",
diff --git a/back-end/package.json b/back-end/package.json
index 66a04ce..b63782f 100644
--- a/back-end/package.json
+++ b/back-end/package.json
@@ -43,7 +43,7 @@
     "mongoose-unique-validator": "^2.0.3",
     "morgan": "^1.9.1",
     "multer": "^1.4.2",
-    "nodemailer": "^6.3.0",
+    "nodemailer": "^6.4.16",
     "nodemailer-express-handlebars": "^3.1.0",
     "readline": "^1.3.0",
     "shortid": "^2.2.15",