diff --git a/pkg/service/krystal/krystal.go b/pkg/service/krystal/krystal.go
index a66f0069..fc29b927 100644
--- a/pkg/service/krystal/krystal.go
+++ b/pkg/service/krystal/krystal.go
@@ -147,7 +147,7 @@ func (k *Krystal) doNetwork(address string, data BalanceTokenResponse) (*Balance
 	// if error occurs -> ignore
 	bytes, _ := json.Marshal(&data)
 	k.logger.Infof("cache data krystal-service, key: %s", tokenBalanceKey)
-	k.cache.Set(tokenBalanceKey+"-"+strings.ToLower(address), string(bytes), 7*24*time.Hour)
+	k.cache.Set(tokenBalanceKey+"-"+strings.ToLower(address), string(bytes), 15*time.Minute)
 
 	return &data, nil
 }