diff --git a/20190520/bidding-list/package.json b/20190520/bidding-list/package.json
index 5199ebe..3cef201 100644
--- a/20190520/bidding-list/package.json
+++ b/20190520/bidding-list/package.json
@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "node-cron": "^2.0.3",
-    "nodemailer": "^6.1.1",
+    "nodemailer": "^7.0.11",
     "puppeteer": "^1.16.0"
   },
   "name": "bidding-list",
diff --git a/20190520/bidding-list/yarn.lock b/20190520/bidding-list/yarn.lock
index 1830d05..90253cb 100644
--- a/20190520/bidding-list/yarn.lock
+++ b/20190520/bidding-list/yarn.lock
@@ -187,10 +187,10 @@ node-cron@^2.0.3:
     opencollective-postinstall "^2.0.0"
     tz-offset "0.0.1"
 
-nodemailer@^6.1.1:
-  version "6.1.1"
-  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.1.1.tgz#09e88ef4b3646f01089c5d84d007b872141fb575"
-  integrity sha512-/x5MRIh56VyuuhLfcz+DL2SlBARpZpgQIf2A4Ao4hMb69MHSgDIMPwYmFwesGT1lkRDZ0eBSoym5+JoIZ3N+cQ==
+nodemailer@^7.0.11:
+  version "7.0.11"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-7.0.11.tgz#5f7b06afaec20073cff36bea92d1c7395cc3e512"
+  integrity sha512-gnXhNRE0FNhD7wPSCGhdNh46Hs6nm+uTyg+Kq0cZukNQiYdnCsoQjodNP9BQVG9XrcK/v6/MgpAPBUFyzh9pvw==
 
 once@^1.3.0:
   version "1.4.0"