diff --git a/server/package.json b/server/package.json
index 49e0e20..e322477 100644
--- a/server/package.json
+++ b/server/package.json
@@ -33,7 +33,7 @@
     "mongoose": "^5.7.12",
     "multer": "^1.4.2",
     "mustache": "^3.1.0",
-    "nodemailer": "^6.3.1",
+    "nodemailer": "^6.4.16",
     "pngdefry": "^1.1.7",
     "reiko-parser": "^1.0.7",
     "unzipper": "^0.10.5",
diff --git a/server/yarn.lock b/server/yarn.lock
index 7533cd6..9624e88 100644
--- a/server/yarn.lock
+++ b/server/yarn.lock
@@ -2304,10 +2304,10 @@ node-pre-gyp@^0.12.0:
     semver "^5.3.0"
     tar "^4"
 
-nodemailer@^6.3.1:
-  version "6.3.1"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.3.1.tgz#2784beebac6b9f014c424c54dbdcc5c4d1221346"
-  integrity sha512-j0BsSyaMlyadEDEypK/F+xlne2K5m6wzPYMXS/yxKI0s7jmT1kBx6GEKRVbZmyYfKOsjkeC/TiMVDJBI/w5gMQ==
+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@^1.19.4:
   version "1.19.4"