diff --git a/package-lock.json b/package-lock.json
index 4f5b445..cbb52e3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -519,7 +519,7 @@
       "dependencies": {
         "lru-cache": {
           "version": "2.5.0",
-          "resolved": "http://registry.npmjs.org/lru-cache/-/lru-cache-2.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.5.0.tgz",
           "integrity": "sha1-2COIrpyWC+y+oMc7uet5tsbOmus="
         }
       }
@@ -530,9 +530,9 @@
       "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
     },
     "nodemailer": {
-      "version": "4.7.0",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-4.7.0.tgz",
-      "integrity": "sha512-IludxDypFpYw4xpzKdMAozBSkzKHmNBvGanUREjJItgJ2NYcK/s8+PggVhj7c2yGFQykKsnnmv1+Aqo0ZfjHmw=="
+      "version": "6.4.16",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.16.tgz",
+      "integrity": "sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ=="
     },
     "object-assign": {
       "version": "4.1.1",
diff --git a/package.json b/package.json
index 4accc68..701c982 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "morgan": "^1.9.1",
     "mysql": "^2.16.0",
     "mysql2": "^1.6.4",
-    "nodemailer": "^4.7.0",
+    "nodemailer": "^6.4.16",
     "sequelize": "^4.41.2",
     "supervisor": "^0.12.0",
     "uuid": "^3.3.2"