diff --git a/package.json b/package.json
index a11ad9a..b2f9db4 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "jsonwebtoken": "^8.4.0",
     "moment": "^2.22.2",
     "mysql": "^2.16.0",
-    "nodemailer": "^4.7.0",
+    "nodemailer": "^6.4.16",
     "qcloudsms_js": "^0.1.1",
     "redis": "^3.0.2",
     "reflect-metadata": "^0.1.13",
diff --git a/yarn.lock b/yarn.lock
index 0a1096d..238e1a4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1373,10 +1373,10 @@ nice-try@^1.0.4:
   resolved "https://registry.npm.taobao.org/nice-try/download/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
   integrity sha1-ozeKdpbOfSI+iPybdkvX7xCJ42Y=
 
-nodemailer@^4.7.0:
-  version "4.7.0"
-  resolved "https://registry.npm.taobao.org/nodemailer/download/nodemailer-4.7.0.tgz?cache=0&sync_timestamp=1583868510065&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fnodemailer%2Fdownload%2Fnodemailer-4.7.0.tgz#4420e06abfffd77d0618f184ea49047db84f4ad8"
-  integrity sha1-RCDgar//130GGPGE6kkEfbhPStg=
+nodemailer@^6.4.16:
+  version "6.4.16"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.4.16.tgz#5cb6391b1d79ab7eff32d6f9f48366b5a7117293"
+  integrity sha512-68K0LgZ6hmZ7PVmwL78gzNdjpj5viqBdFqKrTtr9bZbJYj6BRj5W6WGkxXrEnUl3Co3CBXi3CZBUlpV/foGnOQ==
 
 nth-check@~1.0.1:
   version "1.0.2"