diff --git a/package-lock.json b/package-lock.json
index 050081f..06a092e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
   "requires": true,
   "dependencies": {
     "nodemailer": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-4.4.1.tgz",
-      "integrity": "sha512-1bnszJJXatcHJhLpxQ1XMkLDjCjPKvGKMtRQ73FOsoNln3UQjddEQmz6fAwM3aj0GtQ3dQX9qtMHPelz63GU7A=="
+      "version": "6.6.1",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.6.1.tgz",
+      "integrity": "sha512-1xzFN3gqv+/qJ6YRyxBxfTYstLNt0FCtZaFRvf4Sg9wxNGWbwFmGXVpfSi6ThGK6aRxAo+KjHtYSW8NvCsNSAg=="
     }
   }
 }
diff --git a/package.json b/package.json
index 9595f73..d0f4f73 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,6 @@
   },
   "homepage": "https://github.com/EmersonStark/nodemailer#readme",
   "dependencies": {
-    "nodemailer": "^4.4.1"
+    "nodemailer": "^6.6.1"
   }
 }