diff --git a/Projects/Core/JwtStore/Sources/JwtStoreAssembly.swift b/Projects/Core/JwtStore/Sources/JwtStoreAssembly.swift
index 9a7e93ba..4cd3c860 100644
--- a/Projects/Core/JwtStore/Sources/JwtStoreAssembly.swift
+++ b/Projects/Core/JwtStore/Sources/JwtStoreAssembly.swift
@@ -6,6 +6,7 @@ public final class JwtStoreAssembly: Assembly {
     public func assemble(container: Container) {
         container.register(JwtStore.self) { _ in
             KeychainJwtStore()
-        }.inObjectScope(.container)
+        }
+        .inObjectScope(.container)
     }
 }
diff --git a/Projects/Core/JwtStore/Sources/KeychainJwtStore.swift b/Projects/Core/JwtStore/Sources/KeychainJwtStore.swift
index f4e60562..222b046a 100644
--- a/Projects/Core/JwtStore/Sources/KeychainJwtStore.swift
+++ b/Projects/Core/JwtStore/Sources/KeychainJwtStore.swift
@@ -1,7 +1,7 @@
 import Foundation
 import JwtStoreInterface
 
-struct KeychainJwtStore: JwtStore {
+final class KeychainJwtStore: JwtStore {
     func save(property: JwtStoreProperties, value: String) {
         let query: NSDictionary = [
             kSecClass: kSecClassGenericPassword,
diff --git a/Projects/Core/KeyValueStore/Sources/KeyValueStoreAssembly.swift b/Projects/Core/KeyValueStore/Sources/KeyValueStoreAssembly.swift
index e5a23dfd..8f9630b8 100644
--- a/Projects/Core/KeyValueStore/Sources/KeyValueStoreAssembly.swift
+++ b/Projects/Core/KeyValueStore/Sources/KeyValueStoreAssembly.swift
@@ -7,6 +7,7 @@ public final class KeyValueStoreAssembly: Assembly {
     public func assemble(container: Container) {
         container.register(KeyValueStore.self) { _ in
             UserDefaultsKeyValueStore(userDefaults: .standard)
-        }.inObjectScope(.container)
+        }
+        .inObjectScope(.container)
     }
 }
diff --git a/Projects/Domain/AuthDomain/Sources/Assembly/AuthDomainAssembly.swift b/Projects/Domain/AuthDomain/Sources/Assembly/AuthDomainAssembly.swift
index 371b39a9..98b422d1 100644
--- a/Projects/Domain/AuthDomain/Sources/Assembly/AuthDomainAssembly.swift
+++ b/Projects/Domain/AuthDomain/Sources/Assembly/AuthDomainAssembly.swift
@@ -14,10 +14,12 @@ public final class AuthDomainAssembly: Assembly {
                 keyValueStore: resolver.resolve(KeyValueStore.self)!
             )
         }
+        .inObjectScope(.container)
 
         container.register(LocalAuthDataSource.self) { resolver in
             LocalAuthDataSourceImpl(jwtStore: resolver.resolve(JwtStore.self)!)
         }
+        .inObjectScope(.container)
 
         // MARK: - Repository
         container.register(AuthRepository.self) { resolver in
@@ -26,6 +28,7 @@ public final class AuthDomainAssembly: Assembly {
                 localAuthDataSource: resolver.resolve(LocalAuthDataSource.self)!
             )
         }
+        .inObjectScope(.container)
 
         // MARK: - UseCase
         container.register(SigninUseCase.self) { resolver in
diff --git a/Projects/Domain/AuthDomain/Sources/DataSource/LocalAuthDataSourceImpl.swift b/Projects/Domain/AuthDomain/Sources/DataSource/LocalAuthDataSourceImpl.swift
index b3ab6736..736c3251 100644
--- a/Projects/Domain/AuthDomain/Sources/DataSource/LocalAuthDataSourceImpl.swift
+++ b/Projects/Domain/AuthDomain/Sources/DataSource/LocalAuthDataSourceImpl.swift
@@ -2,7 +2,7 @@ import AuthDomainInterface
 import Combine
 import JwtStoreInterface
 
-struct LocalAuthDataSourceImpl: LocalAuthDataSource {
+final class LocalAuthDataSourceImpl: LocalAuthDataSource {
     private let jwtStore: any JwtStore
 
     init(jwtStore: any JwtStore) {
diff --git a/Projects/Domain/AuthDomain/Sources/Repository/AuthRepositoryImpl.swift b/Projects/Domain/AuthDomain/Sources/Repository/AuthRepositoryImpl.swift
index 153425dc..6c5e37f6 100644
--- a/Projects/Domain/AuthDomain/Sources/Repository/AuthRepositoryImpl.swift
+++ b/Projects/Domain/AuthDomain/Sources/Repository/AuthRepositoryImpl.swift
@@ -1,7 +1,7 @@
 import AuthDomainInterface
 import Combine
 
-struct AuthRepositoryImpl: AuthRepository {
+final class AuthRepositoryImpl: AuthRepository {
     private let remoteAuthDataSource: any RemoteAuthDataSource
     private let localAuthDataSource: any LocalAuthDataSource