diff --git a/src/infrastructure/config/settings.py b/src/infrastructure/config/settings.py
index 7335da5..43847e3 100644
--- a/src/infrastructure/config/settings.py
+++ b/src/infrastructure/config/settings.py
@@ -55,10 +55,10 @@ class Settings(BaseSettings):
     CSRF_COOKIE_HTTPONLY: bool = True
     CSRF_COOKIE_SAMESITE: Literal['Lax', 'Strict', 'None'] = 'Lax'
     CSRF_COOKIE_PATH: str = '/'
-    CSRF_COOKIE_DOMAIN: str | None = 'elcsa.ru'
+    CSRF_COOKIE_DOMAIN: str | None = '.elcsa.ru'
 
     AUTH_COOKIE_SECURE: bool = False
-    AUTH_COOKIE_DOMAIN: str | None = 'elcsa.ru'
+    AUTH_COOKIE_DOMAIN: str | None = '.elcsa.ru'
     CORS_ALLOW_ORIGIN_REGEX: str = r'https?://([a-z0-9-]+\.)*elcsa\.ru(:\d+)?$'
 
     DOCS_USERNAME: str = 'admin'