diff --git a/backend/package.json b/backend/package.json
index 181620a..c64ba52 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -21,7 +21,7 @@
     "helmet": "^3.18.0",
     "joi": "^14.3.1",
     "mongoose": "^5.4.0",
-    "nodemailer": "^6.3.0",
+    "nodemailer": "^6.4.16",
     "regenerator-runtime": "^0.13.3",
     "web-push": "^3.3.5"
   },
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 1d44753..7eb30ef 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -4641,10 +4641,10 @@ node-releases@^1.1.29:
   dependencies:
     semver "^5.3.0"
 
-nodemailer@^6.3.0:
-  version "6.3.0"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.3.0.tgz#a89b0c62d3937bdcdeecbf55687bd7911b627e12"
-  integrity sha512-TEHBNBPHv7Ie/0o3HXnb7xrPSSQmH1dXwQKRaMKDBGt/ZN54lvDVujP6hKkO/vjkIYL9rK8kHSG11+G42Nhxuw==
+nodemailer@^6.4.16:
+  version "6.4.16"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.4.16.tgz#5cb6391b1d79ab7eff32d6f9f48366b5a7117293"
+  integrity sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ==
 
 nodemon@^1.18.9:
   version "1.18.10"