diff --git a/test.html b/test.html
index 9e19bd7..fc41651 100644
--- a/test.html
+++ b/test.html
@@ -31,6 +31,6 @@
     </div>
     <input type="submit" />
 </form>
-<script class="contact-form-config" form-id="contact-mailer-form" notify-theme="dark" src="./client/index.js"></script>
+<script class="contact-form-config" form-id="contact-mailer-form" notify-theme="dark" src="./client/index.js" integrity="sha384-PmKhlZlIlO1+jQGHGdfScCV2ksmoqXL04TOXOd1tn5q7VJJHLxAZUyZr7hzDLUOe"></script>
 </body>
 </html>