diff --git a/package-lock.json b/package-lock.json
index 10b954c0..ad9ce120 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,9 +10,9 @@
       "integrity": "sha512-YJCEq8BE3CdN8+7HPZ/4DxJjk/OkZV2FFIf+DlZTC/4iBlzYCD5yjRR6eiOS5llO11zbRltIRuKAjMKaWTE6cg=="
     },
     "nodemailer": {
-      "version": "6.4.8",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.8.tgz",
-      "integrity": "sha512-UbJD0+g5e2H20bWv7Rpj3B+N3TMMJ0MLoLwaGVJ0k3Vo8upq0UltwHJ5BJfrpST1vFa91JQ8cf7cICK5DSIo1Q=="
+      "version": "6.4.10",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.10.tgz",
+      "integrity": "sha512-j+pS9CURhPgk6r0ENr7dji+As2xZiHSvZeVnzKniLOw1eRAyM/7flP0u65tCnsapV8JFu+t0l/5VeHsCZEeh9g=="
     }
   }
 }
diff --git a/package.json b/package.json
index 2ea4f18a..7f0d4a8d 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,6 @@
   "homepage": "https://github.com/dawidd6/action-send-mail#readme",
   "dependencies": {
     "@actions/core": "^1.2.4",
-    "nodemailer": "^6.4.8"
+    "nodemailer": "^6.4.10"
   }
 }