diff --git a/backend/package.json b/backend/package.json
index 2f4063b..667956a 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -16,7 +16,7 @@
     "graphql-cli": "^2.16.7",
     "graphql-yoga": "1.17.4",
     "jsonwebtoken": "8.3.0",
-    "nodemailer": "^4.6.8",
+    "nodemailer": "^6.4.16",
     "nodemon": "1.18.4",
     "npm-run-all": "^4.1.3",
     "prisma": "1.17.1",
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 83da2bc..d24fc7b 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -4869,10 +4869,10 @@ node-request-by-swagger@^1.0.6:
   resolved "https://registry.yarnpkg.com/node-request-by-swagger/-/node-request-by-swagger-1.1.4.tgz#909a057bd4dffdf5245cb713f5543a9c56eea94d"
   integrity sha512-hwaTaFPUwNKns5qXwGJpLQM3Z5zRluYeAxpYy1L8fWmWdT/DjLmsnW8/oGlSN8Vo4R28c2znfUoBUiB/RlPptw==
 
-nodemailer@^4.6.8:
-  version "4.7.0"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-4.7.0.tgz#4420e06abfffd77d0618f184ea49047db84f4ad8"
-  integrity sha512-IludxDypFpYw4xpzKdMAozBSkzKHmNBvGanUREjJItgJ2NYcK/s8+PggVhj7c2yGFQykKsnnmv1+Aqo0ZfjHmw==
+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@1.18.4:
   version "1.18.4"