diff --git a/src/main/java/com/mpnp/baechelin/util/CookieUtil.java b/src/main/java/com/mpnp/baechelin/util/CookieUtil.java
index 64e065a..83e4253 100644
--- a/src/main/java/com/mpnp/baechelin/util/CookieUtil.java
+++ b/src/main/java/com/mpnp/baechelin/util/CookieUtil.java
@@ -29,6 +29,7 @@ public static Optional<Cookie> getCookie(HttpServletRequest request, String name
     // 쿠키 생성
     public static void addCookie(HttpServletResponse response, String name, String value, int maxAge) {
         ResponseCookie cookie = ResponseCookie.from(name, value)
+                .domain(".bae-chelin.com")
                 .path("/")
                 .httpOnly(true)
                 .maxAge(maxAge)