diff --git a/shell/package.json b/shell/package.json
index d29aa575f6..99533bc4b4 100644
--- a/shell/package.json
+++ b/shell/package.json
@@ -20,7 +20,7 @@
     "ldapjs": "^1.0.1",
     "mailparser": "^0.6.2",
     "node-forge": "^0.6.49",
-    "nodemailer": "^2.7.2",
+    "nodemailer": "^4.0.1",
     "nodemailer-smtp-pool": "^2.8.3",
     "smtp-server": "^1.17.0",
     "xml-crypto": "0.0.20",