diff --git a/lib/lib.ml b/lib/lib.ml
index 83475ba..b81f46e 100644
--- a/lib/lib.ml
+++ b/lib/lib.ml
@@ -15,7 +15,7 @@ type api_country = {
   name : string;
   slug : string;
 }
-[@@deriving yojson, show]
+[@@yojson.allow_extra_fields] [@@deriving yojson, show]
 
 type api_team_colors = { primary : string; secondary : string; text : string }
 [@@deriving yojson, show]