diff --git a/src/main/java/org/cardanofoundation/authentication/config/redis/sentinel/RedisConfig.java b/src/main/java/org/cardanofoundation/authentication/config/redis/sentinel/RedisConfig.java
index 5a60564c..6edfad0e 100644
--- a/src/main/java/org/cardanofoundation/authentication/config/redis/sentinel/RedisConfig.java
+++ b/src/main/java/org/cardanofoundation/authentication/config/redis/sentinel/RedisConfig.java
@@ -121,7 +121,7 @@ LettuceConnectionFactory lettuceConnectionFactory(RedisSentinelConfiguration sen
     var redisTemplate = new RedisTemplate<String, Object>();
     redisTemplate.setConnectionFactory(lettuceConnectionFactory);
     redisTemplate.setKeySerializer(new StringRedisSerializer());
-    redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
+    redisTemplate.setValueSerializer(new GenericToStringSerializer<>(Object.class));
     redisTemplate.setDefaultSerializer(new GenericJackson2JsonRedisSerializer());
     redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
     return redisTemplate;