diff --git a/package-lock.json b/package-lock.json
index 77666f0..cbd3bce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9096,9 +9096,9 @@
       "dev": true
     },
     "nodemailer": {
-      "version": "4.6.0",
-      "resolved": "http://registry.npm.taobao.org/nodemailer/download/nodemailer-4.6.0.tgz",
-      "integrity": "sha1-uZORQ1qrvTS3ShKDES+9/TT3648="
+      "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 4fadf6f..559bff6 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "imap": "^0.8.19",
     "lowdb": "^1.0.0",
     "moment": "^2.20.1",
-    "nodemailer": "^4.6.0",
+    "nodemailer": "^6.4.16",
     "quoted-printable": "^1.0.1",
     "utf8": "^3.0.0",
     "vue": "^2.3.3",
diff --git a/yarn.lock b/yarn.lock
index 5a38128..5f68ebb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5599,9 +5599,9 @@ node-pre-gyp@^0.6.39:
     tar "^2.2.1"
     tar-pack "^3.4.0"
 
-nodemailer@^4.6.0:
-  version "4.6.0"
-  resolved "http://registry.npm.taobao.org/nodemailer/download/nodemailer-4.6.0.tgz#b99391435aabbd34b74a1283112fbdfd34f7eb8f"
+nodemailer@^6.4.16:
+  version "6.4.16"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.4.16.tgz#5cb6391b1d79ab7eff32d6f9f48366b5a7117293"
 
 nopt@^4.0.1:
   version "4.0.1"