diff --git a/packages/backend/assets/redoc.html b/packages/backend/assets/redoc.html
index a9ebf662fc5a..2557b4532ec3 100644
--- a/packages/backend/assets/redoc.html
+++ b/packages/backend/assets/redoc.html
@@ -19,6 +19,6 @@
 	</head>
 	<body>
 		<redoc spec-url="/api.json" expand-responses="200" expand-single-schema-field="true"></redoc>
-		<script src="https://cdn.redoc.ly/redoc/latest/bundles/redoc.standalone.js"></script>
+		<script src="https://cdn.redoc.ly/redoc/v2.1.3/bundles/redoc.standalone.js" integrity="sha256-u4DgqzYXoArvNF/Ymw3puKexfOC6lYfw0sfmeliBJ1I=" crossorigin="anonymous"></script>
 	</body>
 </html>
