diff --git a/lib/openai_ex/chat_completions.ex b/lib/openai_ex/chat_completions.ex
index 8ff97d2..65dec88 100644
--- a/lib/openai_ex/chat_completions.ex
+++ b/lib/openai_ex/chat_completions.ex
@@ -18,6 +18,7 @@ defmodule OpenaiEx.Chat.Completions do
     :seed,
     :service_tier,
     :stop,
+    :store,
     :stream_options,
     :temperature,
     :top_p,