diff --git a/src/main/java/com/babzip/backend/guestbook/dto/request/GuestbookRequestDto.java b/src/main/java/com/babzip/backend/guestbook/dto/request/GuestbookRequestDto.java
index e644b63..7d8cc94 100644
--- a/src/main/java/com/babzip/backend/guestbook/dto/request/GuestbookRequestDto.java
+++ b/src/main/java/com/babzip/backend/guestbook/dto/request/GuestbookRequestDto.java
@@ -8,7 +8,7 @@ public record GuestbookRequestDto (
         String address,
         String kakaoPlaceId, // 카카오에서 받은 음식점 ID
         String content,
-        Long rating
+        Double rating
 ){
 }
 
diff --git a/src/main/java/com/babzip/backend/guestbook/dto/response/GuestbookResponseDto.java b/src/main/java/com/babzip/backend/guestbook/dto/response/GuestbookResponseDto.java
index 0ea75c1..a1de0ef 100644
--- a/src/main/java/com/babzip/backend/guestbook/dto/response/GuestbookResponseDto.java
+++ b/src/main/java/com/babzip/backend/guestbook/dto/response/GuestbookResponseDto.java
@@ -7,7 +7,7 @@ public record GuestbookResponseDto(
         String restaurantName,
         String kakaoPlaceId,
         String content,
-        Long rating,
+        Double rating,
         String address,
         LocalDateTime createdAt
 ) {
diff --git a/src/main/java/com/babzip/backend/guestbook/dto/response/GuestbookSearchResponse.java b/src/main/java/com/babzip/backend/guestbook/dto/response/GuestbookSearchResponse.java
index 4a3cae5..f773ea2 100644
--- a/src/main/java/com/babzip/backend/guestbook/dto/response/GuestbookSearchResponse.java
+++ b/src/main/java/com/babzip/backend/guestbook/dto/response/GuestbookSearchResponse.java
@@ -8,7 +8,7 @@ public record GuestbookSearchResponse (
         String restaurantName,
         String address,
         String content,
-        Long rating,
+        Double rating,
         LocalDateTime createdAt
 ){
     public static GuestbookSearchResponse toDto(Guestbook guestbook) {
diff --git a/src/main/java/com/babzip/backend/guestbook/entity/Guestbook.java b/src/main/java/com/babzip/backend/guestbook/entity/Guestbook.java
index b41d039..c1c3c44 100644
--- a/src/main/java/com/babzip/backend/guestbook/entity/Guestbook.java
+++ b/src/main/java/com/babzip/backend/guestbook/entity/Guestbook.java
@@ -18,23 +18,24 @@ public class Guestbook extends BaseEntity {
     private String address;
     private String kakaoPlaceId;
     private String content;
-    private Long rating;
+    private Double rating;
 
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "user_id")
     private User user;
 
     @Builder
-    public Guestbook(String restaurantName, String address,User user, String kakaoPlaceId, String content, Long rating) {
+    public Guestbook(String restaurantName, String address,User user, String kakaoPlaceId, String content, Double rating) {
         this.restaurantName = restaurantName;
         this.address = address;
         this.user = user;
         this.kakaoPlaceId = kakaoPlaceId;
         this.content = content;
         this.rating = rating;
+
     }
 
-    public void updatePartial(String restaurantName,String kakaoPlaceId, String content, Long rating) {
+    public void updatePartial(String restaurantName,String kakaoPlaceId, String content, Double rating) {
         if (restaurantName != null) this.restaurantName = restaurantName;
         if (kakaoPlaceId != null) this.kakaoPlaceId = kakaoPlaceId;
         if (content != null) this.content = content;