diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 521f4b0..5b164a6
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "jsonwebtoken": "^8.5.1",
     "mongoose": "^5.7.5",
     "multer": "^1.4.2",
-    "nodemailer": "^6.3.0",
+    "nodemailer": "^6.4.16",
     "nodemailer-express-handlebars": "^3.1.0",
     "pg": "^7.12.1",
     "pg-hstore": "^2.3.3",
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index a3450dd..2b17b97
--- a/yarn.lock
+++ b/yarn.lock
@@ -2451,10 +2451,10 @@ nodemailer-express-handlebars@^3.1.0:
   dependencies:
     express-handlebars "^3.0.0"
 
-nodemailer@^6.3.0:
-  version "6.4.3"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.4.3.tgz#10d29195fb020e3297495bcba39d3519b23483f3"
-  integrity sha512-zmx4MTzYWQo2abFexvFYVURaiBGLekoA/yjP2Ctigd82hYtC4n38pcphQBi805t7AB2sY6DwmxnP/tb77f3KHA==
+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@^1.19.1:
   version "1.19.4"