diff --git a/src/types/next-auth.d.ts b/src/types/next-auth.d.ts
index 26b5d61..84c6e24 100644
--- a/src/types/next-auth.d.ts
+++ b/src/types/next-auth.d.ts
@@ -4,10 +4,12 @@ declare module 'next-auth' {
   interface Session {
     user: {
       id: string;
+      plan?: string | null;
     } & DefaultSession['user'];
   }
 
   interface User {
     id: string;
+    plan?: string | null;
   }
 }
\ No newline at end of file