diff --git a/package-lock.json b/package-lock.json
old mode 100755
new mode 100644
index fa9bbd8..e8cbe69
--- a/package-lock.json
+++ b/package-lock.json
@@ -3166,9 +3166,9 @@
       "integrity": "sha512-0L9FvHG3nfnnmaEQPjT9xhfN4ISk0A8/2j4M37Np4mcDesJjHgEUfgPhdCyZuFI954tjokaIj/A3NdpFNdEh4Q=="
     },
     "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=="
     },
     "nodemailer-sendgrid-transport": {
       "version": "0.2.0",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index b424e27..611bb55
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
         "mongoose": "^5.9.18",
         "morgan": "^1.9.1",
         "multer": "^1.4.0",
-        "nodemailer": "^4.6.8",
+        "nodemailer": "^6.4.16",
         "nodemailer-sendgrid-transport": "^0.2.0",
         "pdfkit": "^0.8.3",
         "serve-favicon": "2.5.0",