diff --git a/modules/swagger-generator/src/main/webapp/index.html b/modules/swagger-generator/src/main/webapp/index.html
index 021310d9dec..5a19fbffa43 100644
--- a/modules/swagger-generator/src/main/webapp/index.html
+++ b/modules/swagger-generator/src/main/webapp/index.html
@@ -27,7 +27,7 @@
       if (url && url.length > 1) {
         url = decodeURIComponent(url[1]);
       } else {
-        url = "http://generator.swagger.io/api/swagger.json";
+        url = "https://generator.swagger.io/api/swagger.json";
       }
       window.swaggerUi = new SwaggerUi({
         url: url,