diff --git a/src/components/proxy-middleware/constants.js b/src/components/proxy-middleware/constants.js
index 8c74cb7..9998ccd 100644
--- a/src/components/proxy-middleware/constants.js
+++ b/src/components/proxy-middleware/constants.js
@@ -18,4 +18,5 @@ export const RQ_INTERCEPTED_CONTENT_TYPES = [
   "text/css",
   "application/css",
   "application/json",
+  "application/manifest+json"
 ];