diff --git a/src/test/java/org/creditto/authserver/client/service/RedisOAuth2AuthorizationServiceTest.java b/src/test/java/org/creditto/authserver/client/service/RedisOAuth2AuthorizationServiceTest.java
index 8872277..5d7b10d 100644
--- a/src/test/java/org/creditto/authserver/client/service/RedisOAuth2AuthorizationServiceTest.java
+++ b/src/test/java/org/creditto/authserver/client/service/RedisOAuth2AuthorizationServiceTest.java
@@ -1,5 +1,6 @@
 package org.creditto.authserver.client.service;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
 import org.creditto.authserver.global.redis.AuthorizationEntityMapper;
 import org.creditto.authserver.global.redis.AuthorizationKeyManager;
 import org.creditto.authserver.global.redis.AuthorizationRedisRepository;
@@ -44,6 +45,7 @@ class RedisOAuth2AuthorizationServiceTest {
     @Mock
     private ValueOperations<String, String> valueOperations;
 
+    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper().findAndRegisterModules();
     private RedisOAuth2AuthorizationService service;
     private RegisteredClient registeredClient;
     private OAuth2Authorization authorization;
@@ -52,7 +54,7 @@ class RedisOAuth2AuthorizationServiceTest {
     void setUp() {
         when(redisTemplate.opsForValue()).thenReturn(valueOperations);
         AuthorizationKeyManager keyManager = new AuthorizationKeyManager();
-        AuthorizationRedisRepository repository = new AuthorizationRedisRepository(redisTemplate, keyManager);
+        AuthorizationRedisRepository repository = new AuthorizationRedisRepository(redisTemplate, keyManager, OBJECT_MAPPER);
         AuthorizationEntityMapper mapper = new AuthorizationEntityMapper(registeredClientRepository);
         AuthorizationTtlPolicy ttlPolicy = new AuthorizationTtlPolicy(Duration.ofHours(1));
         service = new RedisOAuth2AuthorizationService(repository, mapper, keyManager, ttlPolicy);