diff --git a/Whatnow-Domain/src/main/kotlin/com/depromeet/whatnow/common/aop/event/EventPublisherAspect.kt b/Whatnow-Domain/src/main/kotlin/com/depromeet/whatnow/common/aop/event/EventPublisherAspect.kt
index 385cba8a..226afdf3 100644
--- a/Whatnow-Domain/src/main/kotlin/com/depromeet/whatnow/common/aop/event/EventPublisherAspect.kt
+++ b/Whatnow-Domain/src/main/kotlin/com/depromeet/whatnow/common/aop/event/EventPublisherAspect.kt
@@ -17,7 +17,7 @@ class EventPublisherAspect : ApplicationEventPublisherAware {
     private val appliedLocal: ThreadLocal<Boolean> = ThreadLocal.withInitial { false }
 
     @Around("@annotation(org.springframework.transaction.annotation.Transactional)")
-    fun handleEvent(joinPoint: ProceedingJoinPoint): Any {
+    fun handleEvent(joinPoint: ProceedingJoinPoint): Any? {
         val appliedValue = appliedLocal.get()
         // nested를 쓰는이유
         // 트랜잭션 안에 트랜잭션이 또있는 경우대비
diff --git a/Whatnow-Infrastructure/src/main/kotlin/com/depromeet/whatnow/config/redis/RedisCacheConfig.kt b/Whatnow-Infrastructure/src/main/kotlin/com/depromeet/whatnow/config/redis/RedisCacheConfig.kt
index cd64db46..6b0268dd 100644
--- a/Whatnow-Infrastructure/src/main/kotlin/com/depromeet/whatnow/config/redis/RedisCacheConfig.kt
+++ b/Whatnow-Infrastructure/src/main/kotlin/com/depromeet/whatnow/config/redis/RedisCacheConfig.kt
@@ -1,5 +1,8 @@
 package com.depromeet.whatnow.config.redis
 
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.databind.jsontype.BasicPolymorphicTypeValidator
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import org.springframework.cache.CacheManager
 import org.springframework.cache.annotation.EnableCaching
 import org.springframework.context.annotation.Bean
@@ -16,6 +19,14 @@ import java.time.Duration
 @Configuration
 class RedisCacheConfig {
 
+    val objectMapper: ObjectMapper = jacksonObjectMapper()
+        .activateDefaultTyping(
+            BasicPolymorphicTypeValidator.builder()
+                .allowIfBaseType(Any::class.java)
+                .build(),
+            ObjectMapper.DefaultTyping.EVERYTHING,
+        )
+
     @Bean
     fun oidcCacheManager(cf: RedisConnectionFactory): CacheManager {
         val redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
@@ -25,9 +36,10 @@ class RedisCacheConfig {
                 ),
             )
             .serializeValuesWith(
-                RedisSerializationContext.SerializationPair.fromSerializer(
-                    GenericJackson2JsonRedisSerializer(),
-                ),
+                RedisSerializationContext.SerializationPair
+                    .fromSerializer(
+                        GenericJackson2JsonRedisSerializer(objectMapper),
+                    ),
             )
             .entryTtl(Duration.ofDays(7L))
         return RedisCacheManager.RedisCacheManagerBuilder.fromConnectionFactory(cf)