diff --git a/package-lock.json b/package-lock.json
index bacf11c0..8b884027 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "dependencies": {
         "@actions/core": "^3.0.1",
         "@actions/glob": "^0.7.0",
-        "nodemailer": "^9.1.1",
+        "nodemailer": "^10.0.0",
         "showdown": "^2.1.0"
       }
     },
@@ -103,12 +103,12 @@
       }
     },
     "node_modules/nodemailer": {
-      "version": "9.1.1",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-9.1.1.tgz",
-      "integrity": "sha512-izw9mVKFix6YSnC9eLgV6g1opl9DUlRio9ZNcq+Wu9Ujn2UwF+8Nl0B8nz22kEC+CTZCvinkxwJ0DeFbb6NwcQ==",
+      "version": "10.0.0",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-10.0.0.tgz",
+      "integrity": "sha512-wdv+hXBg0iIPIOf108FaZyTxqjQpCvQeAJt9pHHTooPy/y3vQtI9eiImM9AIVKR3e/0FeMA1oueNfBjFJcaK+Q==",
       "license": "MIT-0",
       "engines": {
-        "node": ">=6.0.0"
+        "node": ">=20.0.0"
       }
     },
     "node_modules/showdown": {
diff --git a/package.json b/package.json
index c1b20657..1d456967 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "dependencies": {
     "@actions/core": "^3.0.1",
     "@actions/glob": "^0.7.0",
-    "nodemailer": "^9.1.1",
+    "nodemailer": "^10.0.0",
     "showdown": "^2.1.0"
   }
 }