diff --git a/docs/index.html b/docs/index.html
index a41407e..76273e3 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -16,6 +16,8 @@
            required-props-first="true"
            sort-props-alphabetically="false">
     </redoc>
-    <script src="https://cdn.jsdelivr.net/npm/redoc@2.5.3/bundles/redoc.standalone.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/redoc@2.5.3/bundles/redoc.standalone.js"
+            integrity="sha384-xiEssMQFSpSfLbzRZCGfxxIM5QDb2DTrU6vyoZdp2sV1L6pmOMy6MpTtUoLbpC96"
+            crossorigin="anonymous"></script>
   </body>
 </html>