diff --git a/backend/package.json b/backend/package.json
index 1f18234..f34793a 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -40,7 +40,7 @@
     "mysql2": "^2.0.2",
     "nest-router": "^1.0.9",
     "node-excel-export": "^1.4.4",
-    "nodemailer": "^6.3.0",
+    "nodemailer": "^6.4.16",
     "nodemailer-sendgrid-transport": "^0.2.0",
     "prom-client": "11.2.1",
     "reflect-metadata": "^0.1.12",
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 731aabd..28b66a3 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -5906,10 +5906,10 @@ nodemailer-sendgrid-transport@^0.2.0:
   dependencies:
     sendgrid "^1.8.0"
 
-nodemailer@^6.3.0:
-  version "6.4.6"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.4.6.tgz#d37f504f6560b36616f646a606894fe18819107f"
-  integrity sha512-/kJ+FYVEm2HuUlw87hjSqTss+GU35D4giOpdSfGp7DO+5h6RlJj7R94YaYHOkoxu1CSaM0d3WRBtCzwXrY6MKA==
+nodemailer@^6.4.16:
+  version "6.4.16"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.4.16.tgz#5cb6391b1d79ab7eff32d6f9f48366b5a7117293"
+  integrity sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ==
 
 nopt@^4.0.1:
   version "4.0.3"