diff --git a/package-lock.json b/package-lock.json
index 25b6e69..979533d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,14 +31,6 @@
       "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
       "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
     },
-    "async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-      "requires": {
-        "lodash": "^4.17.10"
-      }
-    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -437,11 +429,6 @@
       "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.3.1.tgz",
       "integrity": "sha512-l3hLhffs9zqoDe8zjmb/mAN4B8VT3L56EUvKNqLFVs9YlFA+zx7ke1DO8STAdDyYNkeSo1nKmjuvQeI12So8Xw=="
     },
-    "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
-    },
     "lodash.foreach": {
       "version": "4.5.0",
       "resolved": "https://registry.npmjs.org/lodash.foreach/-/lodash.foreach-4.5.0.tgz",
@@ -635,9 +622,9 @@
       "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw=="
     },
     "nodemailer": {
-      "version": "4.6.8",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-4.6.8.tgz",
-      "integrity": "sha512-A3s7EM/426OBIZbLHXq2KkgvmKbn2Xga4m4G+ZUA4IaZvG8PcZXrFh+2E4VaS2o+emhuUVRnzKN2YmpkXQ9qwA=="
+      "version": "6.4.16",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.16.tgz",
+      "integrity": "sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ=="
     },
     "nodemailer-express-handlebars": {
       "version": "3.0.0",
diff --git a/package.json b/package.json
index 33e486b..eedbd80 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "moment": "^2.22.2",
     "mongoose": "^5.7.5",
     "mongoose-unique-validator": "^2.0.2",
-    "nodemailer": "^4.6.8",
+    "nodemailer": "^6.4.16",
     "nodemailer-express-handlebars": "^3.0.0",
     "passport": "^0.4.0",
     "passport-local": "^1.0.0",