diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/configs/RedisConfig.kt b/src/main/kotlin/kr/co/vividnext/sodalive/configs/RedisConfig.kt
index d99db3b..ef18036 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/configs/RedisConfig.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/configs/RedisConfig.kt
@@ -12,6 +12,7 @@ import org.springframework.data.redis.core.RedisTemplate
 import org.springframework.data.redis.repository.configuration.EnableRedisRepositories
 import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer
 import org.springframework.data.redis.serializer.RedisSerializationContext
+import org.springframework.data.redis.serializer.StringRedisSerializer
 import java.time.Duration
 
 @Configuration
@@ -39,6 +40,7 @@ class RedisConfig(
     fun cacheManager(redisConnectionFactory: RedisConnectionFactory): RedisCacheManager {
         val defaultCacheConfig = RedisCacheConfiguration.defaultCacheConfig()
             .entryTtl(Duration.ofMinutes(30))
+            .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(StringRedisSerializer()))
             .serializeValuesWith(
                 RedisSerializationContext.SerializationPair.fromSerializer(
                     GenericJackson2JsonRedisSerializer()
@@ -48,6 +50,7 @@ class RedisConfig(
         val cacheConfigMap = mutableMapOf<String, RedisCacheConfiguration>()
         cacheConfigMap["default"] = RedisCacheConfiguration.defaultCacheConfig()
             .entryTtl(Duration.ofMinutes(30))
+            .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(StringRedisSerializer()))
             .serializeValuesWith(
                 RedisSerializationContext.SerializationPair.fromSerializer(
                     GenericJackson2JsonRedisSerializer()
@@ -55,6 +58,7 @@ class RedisConfig(
             )
         cacheConfigMap["cache_ttl_3_days"] = RedisCacheConfiguration.defaultCacheConfig()
             .entryTtl(Duration.ofDays(3))
+            .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(StringRedisSerializer()))
             .serializeValuesWith(
                 RedisSerializationContext.SerializationPair.fromSerializer(
                     GenericJackson2JsonRedisSerializer()