diff --git a/x-pack/package.json b/x-pack/package.json
index ea76a7c475390..fc43ca30fcad9 100644
--- a/x-pack/package.json
+++ b/x-pack/package.json
@@ -292,7 +292,7 @@
     "ngreact": "^0.5.1",
     "nock": "10.0.6",
     "node-fetch": "^2.6.0",
-    "nodemailer": "^4.7.0",
+    "nodemailer": "^6.4.16",
     "object-hash": "^1.3.1",
     "object-path-immutable": "^3.1.1",
     "oppsy": "^2.0.0",