diff --git a/src/main/java/com/flab/shoeauction/controller/dto/AddressDto.java b/src/main/java/com/flab/shoeauction/controller/dto/AddressDto.java
index 522694f..ce6b972 100644
--- a/src/main/java/com/flab/shoeauction/controller/dto/AddressDto.java
+++ b/src/main/java/com/flab/shoeauction/controller/dto/AddressDto.java
@@ -40,7 +40,7 @@ public Address toEntity() {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class IdRequest {
         private Long id;
 
diff --git a/src/main/java/com/flab/shoeauction/controller/dto/BrandDto.java b/src/main/java/com/flab/shoeauction/controller/dto/BrandDto.java
index 2a7cae6..834ee04 100644
--- a/src/main/java/com/flab/shoeauction/controller/dto/BrandDto.java
+++ b/src/main/java/com/flab/shoeauction/controller/dto/BrandDto.java
@@ -2,6 +2,7 @@
 
 import com.flab.shoeauction.domain.brand.Brand;
 import javax.validation.constraints.NotBlank;
+import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
@@ -11,7 +12,7 @@ public class BrandDto {
 
     @Getter
     @Builder
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     @AllArgsConstructor
     public static class SaveRequest {
 
@@ -44,7 +45,7 @@ public Brand toEntity() {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     @AllArgsConstructor
     @Builder
     public static class BrandInfo {
diff --git a/src/main/java/com/flab/shoeauction/controller/dto/PointDto.java b/src/main/java/com/flab/shoeauction/controller/dto/PointDto.java
index d63800a..beccbf6 100644
--- a/src/main/java/com/flab/shoeauction/controller/dto/PointDto.java
+++ b/src/main/java/com/flab/shoeauction/controller/dto/PointDto.java
@@ -5,6 +5,7 @@
 import com.flab.shoeauction.domain.users.user.User;
 import com.flab.shoeauction.service.encrytion.EncryptionService;
 import java.time.LocalDateTime;
+import lombok.AccessLevel;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -12,7 +13,7 @@
 public class PointDto {
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class ChargeRequest {
 
         private Long chargeAmount;
@@ -32,7 +33,7 @@ public Point toEntity(User user) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class WithdrawalRequest {
 
         private Long withdrawalAmount;
@@ -58,7 +59,7 @@ public Point toEntity(User user) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class PointHistoryDto {
 
         private LocalDateTime time;
diff --git a/src/main/java/com/flab/shoeauction/controller/dto/ProductDto.java b/src/main/java/com/flab/shoeauction/controller/dto/ProductDto.java
index c27b9ec..7da2dc0 100644
--- a/src/main/java/com/flab/shoeauction/controller/dto/ProductDto.java
+++ b/src/main/java/com/flab/shoeauction/controller/dto/ProductDto.java
@@ -14,6 +14,7 @@
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.NotNull;
 import javax.validation.constraints.Positive;
+import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
@@ -23,7 +24,7 @@
 public class ProductDto {
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     @Builder
     @AllArgsConstructor
     public static class SaveRequest {
@@ -112,7 +113,7 @@ public void deleteImagePath() {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     @AllArgsConstructor
     @Builder
     public static class ProductInfoResponse {
@@ -138,7 +139,7 @@ public static class ProductInfoResponse {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     @AllArgsConstructor
     @Builder
     public static class ProductInfoByTrade {
@@ -166,7 +167,7 @@ public IdRequest(Long id) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class WishItemResponse {
 
         private Long id;
@@ -189,7 +190,7 @@ public WishItemResponse(Long id, Long productId, String nameKor, String nameEng,
 
     @Getter
     @Builder
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     @AllArgsConstructor
     public static class ThumbnailResponse {
 
@@ -203,7 +204,7 @@ public static class ThumbnailResponse {
 
     @Builder
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     @AllArgsConstructor
     public static class SearchCondition {
 
diff --git a/src/main/java/com/flab/shoeauction/controller/dto/TradeDto.java b/src/main/java/com/flab/shoeauction/controller/dto/TradeDto.java
index fd51c49..7d54c46 100644
--- a/src/main/java/com/flab/shoeauction/controller/dto/TradeDto.java
+++ b/src/main/java/com/flab/shoeauction/controller/dto/TradeDto.java
@@ -7,6 +7,7 @@
 import com.flab.shoeauction.domain.trade.Trade;
 import com.flab.shoeauction.domain.trade.TradeStatus;
 import com.flab.shoeauction.domain.users.user.User;
+import lombok.AccessLevel;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -14,7 +15,7 @@
 public class TradeDto {
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class TradeResource {
 
         private TradeUserInfo tradeUserInfo;
@@ -29,7 +30,7 @@ public TradeResource(
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class TradeBidResponse {
 
         private Long tradeId;
@@ -47,7 +48,7 @@ public TradeBidResponse(Long tradeId, Long productId, double productSize, Long p
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class ChangeRequest {
 
         private Long tradeId;
@@ -61,7 +62,7 @@ public ChangeRequest(Long tradeId, Long price) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class SaveRequest {
 
         private Long price;
@@ -106,7 +107,7 @@ public Trade toEntityByBuyer(User user, Product product, Address address) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class ImmediateTradeRequest {
 
         private Long tradeId;
@@ -122,7 +123,7 @@ public ImmediateTradeRequest(Long tradeId, Long addressId, Long productId) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class TrackingNumberRequest {
 
         private String trackingNumber;
@@ -134,7 +135,7 @@ public TrackingNumberRequest(String trackingNumber) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class ReasonRequest {
 
         private String reason;
diff --git a/src/main/java/com/flab/shoeauction/controller/dto/UserDto.java b/src/main/java/com/flab/shoeauction/controller/dto/UserDto.java
index 34049c7..4466424 100644
--- a/src/main/java/com/flab/shoeauction/controller/dto/UserDto.java
+++ b/src/main/java/com/flab/shoeauction/controller/dto/UserDto.java
@@ -13,18 +13,16 @@
 import javax.validation.constraints.NotBlank;
 import javax.validation.constraints.Pattern;
 import javax.validation.constraints.Size;
+import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
-@Getter
-@AllArgsConstructor
-@Builder
 public class UserDto {
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class SaveRequest {
 
         @NotBlank(message = "닉네임을 입력해주세요.")
@@ -71,7 +69,7 @@ public User toEntity() {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class SmsCertificationRequest {
 
         private String phone;
@@ -86,7 +84,7 @@ public SmsCertificationRequest(String phone, String certificationNumber) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class EmailCertificationRequest {
 
         private String email;
@@ -104,7 +102,7 @@ public EmailCertificationRequest(String email, String certificationNumber) {
     @Getter
     @Builder
     @AllArgsConstructor
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class LoginRequest {
 
         private String email;
@@ -117,7 +115,7 @@ public void passwordEncryption(EncryptionService encryptionService) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class UserInfoDto {
 
         private String email;
@@ -150,7 +148,7 @@ public FindUserResponse(String email, String phone) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class ChangePasswordRequest {
 
         private String email;
@@ -177,7 +175,7 @@ public ChangePasswordRequest(String email,
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class PasswordRequest {
 
         private String password;
@@ -189,7 +187,6 @@ public PasswordRequest(String password) {
     }
 
     @Getter
-    @NoArgsConstructor
     public static class UserListResponse {
 
         private Long id;
@@ -205,7 +202,7 @@ public UserListResponse(Long id, String email, UserLevel userLevel) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class UserSearchCondition {
 
         private Long id;
@@ -221,7 +218,6 @@ public UserSearchCondition(Long id, String email, UserLevel userLevel) {
     }
 
     @Getter
-    @NoArgsConstructor
     public static class UserDetailsResponse {
 
         private Long id;
@@ -253,7 +249,7 @@ public UserDetailsResponse(Long id, String email, String nickname, String phone,
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class UserBanRequest {
 
         private Long id;
@@ -267,7 +263,7 @@ public UserBanRequest(Long id, UserStatus userStatus) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class TradeUserInfo {
 
         private AddressBook addressBook;
@@ -282,7 +278,7 @@ public TradeUserInfo(AddressBook addressBook,
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class TradeInfoResponse {
 
         private Long id;
@@ -298,7 +294,7 @@ public TradeInfoResponse(Long id, TradeStatus status, String email) {
     }
 
     @Getter
-    @NoArgsConstructor
+    @NoArgsConstructor(access = AccessLevel.PROTECTED)
     public static class TradeSearchCondition {
         private Long tradeId;
         private TradeStatus tradeStatus;
@@ -309,6 +305,4 @@ public TradeSearchCondition(Long tradeId, TradeStatus tradeStatus) {
             this.tradeStatus = tradeStatus;
         }
     }
-
-
 }
\ No newline at end of file