diff --git a/package-lock.json b/package-lock.json
index 2f34be4..b8424c5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9916,9 +9916,9 @@
       "integrity": "sha512-65XjTgE/QTD23y9VHztncXM9CaB7r1SRq+dpxnCOa/Y8HJxBBP/DTQ31oR7/Ioh+j/n1o8UbyX2Au/gKwFtk3A=="
     },
     "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=="
     },
     "normalize-package-data": {
       "version": "2.5.0",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index dc4c083..95e3406
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "mongoose": "^5.2.0",
     "multer": "^1.4.2",
     "nodejs-simple-uuid": "^1.0.0",
-    "nodemailer": "^4.4.0",
+    "nodemailer": "^6.4.16",
     "passport": "^0.4.0",
     "passport-local": "^1.0.0",
     "passport-local-mongoose": "^4.2.1",