diff --git a/src/middleware.py b/src/middleware.py
index 11f3aba..3854e53 100644
--- a/src/middleware.py
+++ b/src/middleware.py
@@ -87,6 +87,7 @@ ALLOWED_HEADERS = {
     "x-forwarded-path",
     "x-forwarded-prefix",
     "cookie",
+    "x-kong-request-id"
 }
 
 MAX_QUERY_PARAMS = 50