diff --git a/server/src/main/java/sunflower/server/api/MemberApiController.java b/server/src/main/java/sunflower/server/api/MemberApiController.java
index f9dcfa4..50dc2f2 100644
--- a/server/src/main/java/sunflower/server/api/MemberApiController.java
+++ b/server/src/main/java/sunflower/server/api/MemberApiController.java
@@ -42,7 +42,7 @@ public ResponseEntity<Void> login(@RequestBody LoginRequest request, HttpServlet
 //        cookie.setSecure(true);
 //        response.addCookie(cookie);
 
-        response.setHeader("Set-Cookie", "sessionId=" + sessionId + "; HttpOnly; Max-Age=3600; Path=/; Secure; SameSite=None");
+        response.setHeader("Set-Cookie", "sessionId=" + sessionId + "; HttpOnly; Max-Age=3600; Path=/; Domain=sunnybraille.com; Secure; SameSite=None");
 
         return ResponseEntity
                 .status(HttpStatus.OK.value())
diff --git a/server/src/main/resources/security b/server/src/main/resources/security
index 30e3d7d..1407593 160000
--- a/server/src/main/resources/security
+++ b/server/src/main/resources/security
@@ -1 +1 @@
-Subproject commit 30e3d7dc86637fe0e919e14e02a4e84172edc5be
+Subproject commit 1407593336000ef74d9cc3c9d02827234675bd3e