diff --git a/hideout-core/build.gradle.kts b/hideout-core/build.gradle.kts
index 7bce0576..16c35e50 100644
--- a/hideout-core/build.gradle.kts
+++ b/hideout-core/build.gradle.kts
@@ -260,6 +260,14 @@ detekt {
     autoCorrect = true
 }
 
+configurations.matching { it.name == "detekt" }.all {
+    resolutionStrategy.eachDependency {
+        if (requested.group == "org.jetbrains.kotlin") {
+            useVersion(io.gitlab.arturbosch.detekt.getSupportedKotlinVersion())
+        }
+    }
+}
+
 tasks.withType<io.gitlab.arturbosch.detekt.Detekt> {
     exclude("**/generated/**")
     doFirst {
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/Constant.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/Constant.kt
index 451e24d9..6c19c683 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/Constant.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/Constant.kt
@@ -38,4 +38,4 @@ object Constant {
             )
         )
     )
-}
\ No newline at end of file
+}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/model/StringOrObject.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/model/StringOrObject.kt
index b419bf79..3a9969db 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/model/StringOrObject.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/model/StringOrObject.kt
@@ -41,14 +41,9 @@ open class StringOrObject {
         return result
     }
 
-    override fun toString(): String {
-        return "StringOrObject(contextString=$contextString, contextObject=$contextObject)"
-    }
-
-
+    override fun toString(): String = "StringOrObject(contextString=$contextString, contextObject=$contextObject)"
 }
 
-
 class StringOrObjectDeserializer : JsonDeserializer<StringOrObject>() {
     override fun deserialize(p: JsonParser?, ctxt: DeserializationContext): StringOrObject {
         val readTree: JsonNode = p?.codec?.readTree(p) ?: return StringOrObject("")
@@ -64,7 +59,6 @@ class StringOrObjectDeserializer : JsonDeserializer<StringOrObject>() {
             StringOrObject("")
         }
     }
-
 }
 
 class StringORObjectSerializer : JsonSerializer<StringOrObject>() {
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/undo/APSendUndoServiceImpl.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/undo/APSendUndoServiceImpl.kt
index 576e9463..37326c0d 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/undo/APSendUndoServiceImpl.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/undo/APSendUndoServiceImpl.kt
@@ -47,5 +47,4 @@ class APSendUndoServiceImpl(
 
         owlProducer.publishTask(deliverUndoTask)
     }
-
 }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/ActivityPubConfig.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/ActivityPubConfig.kt
index e77dd1d7..afe658a1 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/ActivityPubConfig.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/ActivityPubConfig.kt
@@ -42,7 +42,6 @@ class ActivityPubConfig {
     @Bean
     @Qualifier("activitypub")
     fun objectMapper(): ObjectMapper {
-
         val module = SimpleModule().addSerializer(StringOrObject::class.java, StringORObjectSerializer())
 
         val objectMapper = jacksonObjectMapper()
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/SecurityConfig.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/SecurityConfig.kt
index 22037168..e34fc87c 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/SecurityConfig.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/SecurityConfig.kt
@@ -26,7 +26,6 @@ import com.nimbusds.jose.proc.SecurityContext
 import dev.usbharu.hideout.activitypub.domain.model.StringORObjectSerializer
 import dev.usbharu.hideout.activitypub.domain.model.StringOrObject
 import dev.usbharu.hideout.application.external.Transaction
-import dev.usbharu.hideout.application.infrastructure.springframework.RoleHierarchyAuthorizationManagerFactory
 import dev.usbharu.hideout.core.domain.model.actor.ActorRepository
 import dev.usbharu.hideout.core.infrastructure.springframework.httpsignature.HttpSignatureFilter
 import dev.usbharu.hideout.core.infrastructure.springframework.httpsignature.HttpSignatureHeaderChecker
@@ -204,7 +203,6 @@ class SecurityConfig {
     @Order(5)
     fun defaultSecurityFilterChain(
         http: HttpSecurity,
-        rf: RoleHierarchyAuthorizationManagerFactory,
     ): SecurityFilterChain {
         http {
             authorizeHttpRequests {
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/SpringConfig.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/SpringConfig.kt
index b2178286..8f1b97ce 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/SpringConfig.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/application/config/SpringConfig.kt
@@ -45,7 +45,7 @@ class SpringConfig {
 @ConfigurationProperties("hideout")
 data class ApplicationConfig(
     val url: URL,
-    val private:Boolean = true
+    val private: Boolean = true,
 )
 
 @ConfigurationProperties("hideout.storage.s3")
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/Post.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/Post.kt
index 6e11792e..2cd1d39b 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/Post.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/Post.kt
@@ -204,7 +204,6 @@ data class Post private constructor(
             )
             return post
         }
-
     }
 
     fun isPureRepost(): Boolean =
@@ -214,11 +213,7 @@ data class Post private constructor(
                 this.replyId == null &&
                 this.repostId != null
 
-    fun delete(): Post {
-        return copy(deleted = true)
-    }
+    fun delete(): Post = copy(deleted = true)
 
-    fun restore(): Post {
-        return copy(deleted = false)
-    }
+    fun restore(): Post = copy(deleted = false)
 }
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/PostRepository.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/PostRepository.kt
index b6ced0ac..561911f9 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/PostRepository.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/PostRepository.kt
@@ -18,7 +18,7 @@ package dev.usbharu.hideout.core.domain.model.post
 
 import org.springframework.stereotype.Repository
 
-@Suppress("LongParameterList")
+@Suppress("LongParameterList", "TooManyFunctions")
 @Repository
 interface PostRepository {
     suspend fun generateId(): Long
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/external/job/UpdateActorTask.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/external/job/UpdateActorTask.kt
index 8416e8a3..5fc1a272 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/external/job/UpdateActorTask.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/external/job/UpdateActorTask.kt
@@ -25,9 +25,8 @@ data class UpdateActorTask(
     val apId: String,
 ) : Task()
 
-
 @Component
 data object UpdateActorTaskDef : TaskDefinition<UpdateActorTask> {
     override val type: Class<UpdateActorTask>
         get() = UpdateActorTask::class.java
-}
\ No newline at end of file
+}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/PostResultRowMapper.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/PostResultRowMapper.kt
index b912e929..b18690e3 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/PostResultRowMapper.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/PostResultRowMapper.kt
@@ -26,7 +26,6 @@ import org.springframework.stereotype.Component
 @Component
 class PostResultRowMapper(private val postBuilder: Post.PostBuilder) : ResultRowMapper<Post> {
     override fun map(resultRow: ResultRow): Post {
-
         return postBuilder.of(
             id = resultRow[Posts.id],
             actorId = resultRow[Posts.actorId],
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/DeletedActorRepositoryImpl.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/DeletedActorRepositoryImpl.kt
index 52398cf4..41bd924b 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/DeletedActorRepositoryImpl.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/DeletedActorRepositoryImpl.kt
@@ -82,12 +82,12 @@ fun ResultRow.toDeletedActor(): DeletedActor = deletedActor(this)
 
 private fun deletedActor(singleOr: ResultRow): DeletedActor {
     return DeletedActor(
-        singleOr[DeletedActors.id],
-        singleOr[DeletedActors.name],
-        singleOr[DeletedActors.domain],
-        singleOr[DeletedActors.publicKey],
-        singleOr[DeletedActors.apId],
-        singleOr[DeletedActors.deletedAt]
+        id = singleOr[DeletedActors.id],
+        name = singleOr[DeletedActors.name],
+        domain = singleOr[DeletedActors.domain],
+        apiId = singleOr[DeletedActors.publicKey],
+        publicKey = singleOr[DeletedActors.apId],
+        deletedAt = singleOr[DeletedActors.deletedAt]
     )
 }
 
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/PostRepositoryImpl.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/PostRepositoryImpl.kt
index c2dbcd28..96180244 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/PostRepositoryImpl.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/PostRepositoryImpl.kt
@@ -110,7 +110,8 @@ class PostRepositoryImpl(
 
     override suspend fun saveAll(posts: List<Post>) {
         Posts.batchUpsert(
-            posts, id,
+            posts,
+            id,
         ) {
             this[id] = it.id
             this[actorId] = it.actorId
@@ -128,7 +129,8 @@ class PostRepositoryImpl(
         }
         val mediaIds = posts.flatMap { post -> post.mediaIds.map { post.id to it } }
         PostsMedia.batchUpsert(
-            mediaIds, PostsMedia.postId
+            mediaIds,
+            PostsMedia.postId
         ) {
             this[PostsMedia.postId] = it.first
             this[PostsMedia.mediaId] = it.second
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/api/auth/AuthController.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/api/auth/AuthController.kt
index bbda1b84..5951928c 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/api/auth/AuthController.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/api/auth/AuthController.kt
@@ -41,7 +41,7 @@ class AuthController(
     }
 
     @PostMapping("/auth/sign_up")
-    suspend fun signUp(@Validated @ModelAttribute signUpForm: SignUpForm, model: Model): String {
+    suspend fun signUp(@Validated @ModelAttribute signUpForm: SignUpForm): String {
         val registerAccount = authApiService.registerAccount(
             RegisterAccountDto(
                 signUpForm.username,
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/AuthApiService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/AuthApiService.kt
index e4ca5a32..130ef8a8 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/AuthApiService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/AuthApiService.kt
@@ -20,4 +20,4 @@ import dev.usbharu.hideout.core.domain.model.actor.Actor
 
 interface AuthApiService {
     suspend fun registerAccount(registerAccountDto: RegisterAccountDto): Actor
-}
\ No newline at end of file
+}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/AuthApiServiceImpl.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/AuthApiServiceImpl.kt
index bfdd81d1..b1a2c6ed 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/AuthApiServiceImpl.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/AuthApiServiceImpl.kt
@@ -33,20 +33,22 @@ class AuthApiServiceImpl(
     private val httpClient: HttpClient,
     private val captchaConfig: CaptchaConfig,
     private val objectMapper: ObjectMapper,
-    private val userService: UserService
+    private val userService: UserService,
 ) :
     AuthApiService {
     override suspend fun registerAccount(registerAccountDto: RegisterAccountDto): Actor {
         if (captchaConfig.reCaptchaSecretKey != null && captchaConfig.reCaptchaSiteKey != null) {
             val get =
-                httpClient.get("https://www.google.com/recaptcha/api/siteverify?secret=" + captchaConfig.reCaptchaSecretKey + "&response=" + registerAccountDto.recaptchaResponse)
+                httpClient.get(
+                    "https://www.google.com/recaptcha/api/siteverify?secret=" +
+                            captchaConfig.reCaptchaSecretKey + "&response=" + registerAccountDto.recaptchaResponse
+                )
             val recaptchaResult = objectMapper.readValue<RecaptchaResult>(get.bodyAsText())
             logger.debug("reCAPTCHA: {}", recaptchaResult)
             require(recaptchaResult.success)
             require(!(recaptchaResult.score < 0.5))
         }
 
-
         val createLocalUser = userService.createLocalUser(
             UserCreateDto(
                 registerAccountDto.username,
@@ -62,4 +64,4 @@ class AuthApiServiceImpl(
     companion object {
         private val logger = LoggerFactory.getLogger(AuthApiServiceImpl::class.java)
     }
-}
\ No newline at end of file
+}
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/RegisterAccountDto.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/RegisterAccountDto.kt
index fec3ced4..c44c291c 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/RegisterAccountDto.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/auth/RegisterAccountDto.kt
@@ -17,7 +17,7 @@
 package dev.usbharu.hideout.core.service.auth
 
 data class RegisterAccountDto(
-    val username:String,
-    val password:String,
-    val recaptchaResponse:String
+    val username: String,
+    val password: String,
+    val recaptchaResponse: String,
 )
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/post/PostServiceImpl.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/post/PostServiceImpl.kt
index eb5c2dff..d1d7a136 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/post/PostServiceImpl.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/post/PostServiceImpl.kt
@@ -91,7 +91,6 @@ class PostServiceImpl(
 
         postRepository.findByActorId(actorId).filterNot { it.deleted }.forEach { postRepository.save(it.delete()) }
 
-
         actorRepository.save(actor.copy(postsCount = 0, lastPostDate = null))
     }
 
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/user/UserServiceImpl.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/user/UserServiceImpl.kt
index f69e9510..889c5257 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/user/UserServiceImpl.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/service/user/UserServiceImpl.kt
@@ -156,12 +156,12 @@ class UserServiceImpl(
     override suspend fun deleteRemoteActor(actorId: Long) {
         val actor = actorRepository.findByIdWithLock(actorId) ?: throw UserNotFoundException.withId(actorId)
         val deletedActor = DeletedActor(
-            actor.id,
-            actor.name,
-            actor.domain,
-            actor.url,
-            actor.publicKey,
-            Instant.now()
+            id = actor.id,
+            name = actor.name,
+            domain = actor.domain,
+            apiId = actor.url,
+            publicKey = actor.publicKey,
+            deletedAt = Instant.now()
         )
         relationshipRepository.deleteByActorIdOrTargetActorId(actorId, actorId)
 
@@ -186,12 +186,12 @@ class UserServiceImpl(
         val actor = actorRepository.findByIdWithLock(userId) ?: throw UserNotFoundException.withId(userId)
         apSendDeleteService.sendDeleteActor(actor)
         val deletedActor = DeletedActor(
-            actor.id,
-            actor.name,
-            actor.domain,
-            actor.url,
-            actor.publicKey,
-            Instant.now()
+            id = actor.id,
+            name = actor.name,
+            domain = actor.domain,
+            apiId = actor.url,
+            publicKey = actor.publicKey,
+            deletedAt = Instant.now()
         )
         relationshipRepository.deleteByActorIdOrTargetActorId(userId, userId)
 
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/mastodon/domain/exception/MastodonApiException.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/mastodon/domain/exception/MastodonApiException.kt
index 4a13854a..c3afd55a 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/mastodon/domain/exception/MastodonApiException.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/mastodon/domain/exception/MastodonApiException.kt
@@ -18,6 +18,7 @@ package dev.usbharu.hideout.mastodon.domain.exception
 
 import dev.usbharu.hideout.mastodon.domain.model.MastodonApiErrorResponse
 
+@Suppress("UnnecessaryAbstractClass")
 abstract class MastodonApiException : RuntimeException {
 
     val response: MastodonApiErrorResponse<*>
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/mastodon/service/account/AccountApiService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/mastodon/service/account/AccountApiService.kt
index c9f15567..0e3afc2f 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/mastodon/service/account/AccountApiService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/mastodon/service/account/AccountApiService.kt
@@ -151,7 +151,7 @@ class AccountApiServiceImpl(
                 userService.updateUserStatistics(id)
                 return@transaction accountService.findById(id)
             }
-        } catch (e: UserNotFoundException) {
+        } catch (_: UserNotFoundException) {
             throw AccountNotFoundException.ofId(id)
         }
     }