diff --git a/backend/was/src/auth/auth.controller.ts b/backend/was/src/auth/auth.controller.ts
index d999ca06..d79c4fd1 100644
--- a/backend/was/src/auth/auth.controller.ts
+++ b/backend/was/src/auth/auth.controller.ts
@@ -30,7 +30,7 @@ export class AuthController {
     this.cookieOptions = {
       httpOnly: true,
       secure: process.env.ENV === 'PROD',
-      sameSite: 'lax',
+      sameSite: 'none',
       maxAge: 3600000,
     };
   }