diff --git a/include/crow/http_connection.h b/include/crow/http_connection.h
index 1537d1755..3d214f3d2 100644
--- a/include/crow/http_connection.h
+++ b/include/crow/http_connection.h
@@ -374,7 +374,9 @@ namespace crow
                 {401, "HTTP/1.1 401 Unauthorized\r\n"},
                 {403, "HTTP/1.1 403 Forbidden\r\n"},
                 {404, "HTTP/1.1 404 Not Found\r\n"},
+                {413, "HTTP/1.1 413 Payload Too Large\r\n"},
                 {422, "HTTP/1.1 422 Unprocessable Entity\r\n"},
+                {429, "HTTP/1.1 429 Too Many Requests\r\n"},
 
                 {500, "HTTP/1.1 500 Internal Server Error\r\n"},
                 {501, "HTTP/1.1 501 Not Implemented\r\n"},