diff --git a/package-lock.json b/package-lock.json
index cf05c4c..b2d65b4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -168,6 +168,7 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "^3.0.2",
         "longest": "^1.0.1",
@@ -3968,7 +3969,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "loose-envify": {
       "version": "1.4.0",
@@ -4339,9 +4341,9 @@
       }
     },
     "nodemailer": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-5.1.1.tgz",
-      "integrity": "sha512-hKGCoeNdFL2W7S76J/Oucbw0/qRlfG815tENdhzcqTpSjKgAN91mFOqU2lQUflRRxFM7iZvCyaFcAR9noc/CqQ=="
+      "version": "6.4.16",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.16.tgz",
+      "integrity": "sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ=="
     },
     "nopt": {
       "version": "3.0.6",
diff --git a/package.json b/package.json
index 5b8bbcc..5b4d11b 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "mongoose": "^5.4.6",
     "mongoose-validator": "^2.1.0",
     "nanoid": "^2.0.1",
-    "nodemailer": "^5.1.1",
+    "nodemailer": "^6.4.16",
     "passport": "^0.4.0",
     "passport-jwt": "^4.0.0",
     "passport-local": "^1.0.0",