diff --git a/package.json b/package.json
index e040f09..159a9b8 100755
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
         "eslint-config-prettier": "^8.6.0",
         "eslint-plugin-prettier": "^4.2.1",
         "prettier": "^2.8.4",
+        "punycode.js": "^2.3.1",
         "typescript": "4.9.x"
     },
     "scripts": {
diff --git a/test/domain.ts b/test/domain.ts
index 7bea23c..84af12f 100755
--- a/test/domain.ts
+++ b/test/domain.ts
@@ -1,4 +1,4 @@
-import * as Punycode from 'punycode';
+import * as Punycode from 'punycode.js';
 import { expect } from '@hapi/code';
 import * as Lab from '@hapi/lab';
 
diff --git a/test/email.ts b/test/email.ts
index f67b3e6..f540055 100755
--- a/test/email.ts
+++ b/test/email.ts
@@ -1,4 +1,4 @@
-import * as Punycode from 'punycode';
+import * as Punycode from 'punycode.js';
 import { expect } from '@hapi/code';
 import * as Lab from '@hapi/lab';