diff --git a/config/runtime.exs b/config/runtime.exs
index 0fe0f27..8c90c0f 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -38,7 +38,8 @@ end
 cors_origin = System.get_env("CORS_ORIGIN", "*")
 
 config :cors_plug,
-  origin: cors_origin
+  origin: cors_origin,
+  headers: ["*"]
 
 # Zitadel Configuration