diff --git a/20190520/bidding-list/package.json b/20190520/bidding-list/package.json
index 5199ebe..da6e15b 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": "^7.0.7",
     "puppeteer": "^1.16.0"
   },
   "name": "bidding-list",
diff --git a/20190520/bidding-list/yarn.lock b/20190520/bidding-list/yarn.lock
index 1830d05..c0cfb0b 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@^7.0.7:
+  version "7.0.7"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-7.0.7.tgz#91a16235c08abb7805a4ec1537ca63edca79687f"
+  integrity sha512-jGOaRznodf62TVzdyhKt/f1Q/c3kYynk8629sgJHpRzGZj01ezbgMMWJSAjHADcwTKxco3B68/R+KHJY2T5BaA==
 
 once@^1.3.0:
   version "1.4.0"