diff --git a/build.gradle b/build.gradle
index 2fae23c..2830b4a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,7 +45,7 @@ dependencies {
     implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310'
     implementation 'com.google.code.findbugs:jsr305:3.0.2'
     implementation 'org.mapstruct:mapstruct:1.5.5.Final'
-    implementation files('libs/server-dto-1.8.4.jar')
+    implementation files('libs/server-dto-1.12.0.jar')
     compileOnly 'org.projectlombok:lombok'
     developmentOnly 'org.springframework.boot:spring-boot-devtools'
     annotationProcessor 'org.projectlombok:lombok'
diff --git a/libs/server-dto-1.8.4.jar b/libs/server-dto-1.12.0.jar
similarity index 76%
rename from libs/server-dto-1.8.4.jar
rename to libs/server-dto-1.12.0.jar
index 25624ec..6543b5c 100644
Binary files a/libs/server-dto-1.8.4.jar and b/libs/server-dto-1.12.0.jar differ
diff --git a/src/main/java/com/sktelecom/authentication/passkey/passkeyrpsample/mapper/authentication/AssertionOptionsServerRequestMapper.java b/src/main/java/com/sktelecom/authentication/passkey/passkeyrpsample/mapper/authentication/AssertionOptionsServerRequestMapper.java
index 211f213..b5d5427 100644
--- a/src/main/java/com/sktelecom/authentication/passkey/passkeyrpsample/mapper/authentication/AssertionOptionsServerRequestMapper.java
+++ b/src/main/java/com/sktelecom/authentication/passkey/passkeyrpsample/mapper/authentication/AssertionOptionsServerRequestMapper.java
@@ -25,13 +25,11 @@
 
 @Mapper(componentModel = "spring")
 public interface AssertionOptionsServerRequestMapper {
-    @Mapping(target = "attestation", ignore = true)
     @Mapping(target = "hints", ignore = true)
     @Mapping(target = "userId", source = "username")
     @Mapping(target = "timeout", constant = "300000L")
     AuthenticationOptionsServerRequestDto toWebauthnServerDto(AssertionOptionsServerRequest rpServer);
 
-    @Mapping(target = "attestation", ignore = true)
     @Mapping(target = "userId", source = "username")
     AuthenticationOptionsServerRequestDto toWebauthnServerDtoLv3(AssertionOptionsServerRequestLv3 rpServer);