diff --git a/package.json b/package.json
index e405c47..0189b17 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "ioredis": "^4.9.5",
     "meteor-random": "0.0.3",
     "mongoose": "^5.2.16",
-    "nodemailer": "^4.0.1",
+    "nodemailer": "^6.9.9",
     "q": "^1.5.1",
     "underscore": "^1.8.3",
     "validator": "^10.9.0"
diff --git a/yarn.lock b/yarn.lock
index cf5c134..a6fa7e3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5505,10 +5505,10 @@ node-pre-gyp@^0.13.0:
     semver "^5.3.0"
     tar "^4"
 
-nodemailer@^4.0.1:
-  version "4.7.0"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-4.7.0.tgz#4420e06abfffd77d0618f184ea49047db84f4ad8"
-  integrity sha512-IludxDypFpYw4xpzKdMAozBSkzKHmNBvGanUREjJItgJ2NYcK/s8+PggVhj7c2yGFQykKsnnmv1+Aqo0ZfjHmw==
+nodemailer@^6.9.9:
+  version "6.9.9"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.9.9.tgz#4549bfbf710cc6addec5064dd0f19874d24248d9"
+  integrity sha512-dexTll8zqQoVJEZPwQAKzxxtFn0qTnjdQTchoU6Re9BUUGBJiOy3YMn/0ShTW6J5M0dfQ1NeDeRTTl4oIWgQMA==
 
 nopt@^4.0.1:
   version "4.0.1"