diff --git a/src/main/java/com/moddy/server/service/model/ModelService.java b/src/main/java/com/moddy/server/service/model/ModelService.java
index ad697065..336cb90a 100644
--- a/src/main/java/com/moddy/server/service/model/ModelService.java
+++ b/src/main/java/com/moddy/server/service/model/ModelService.java
@@ -224,7 +224,7 @@ public OpenChatResponse getOpenChatInfo(Long userId, Long offerId) {
         return openChatResponse;
     }
     
-    public void updateOfferAgreeStatus(Long offerId){
+    private void updateOfferAgreeStatus(Long offerId){
         HairServiceOffer hairServiceOffer = hairServiceOfferJpaRepository.findById(offerId).orElseThrow(() -> new NotFoundException(ErrorCode.NOT_FOUND_OFFER_EXCEPTION));
 
         hairServiceOffer.setIsModelAgree(true);