diff --git a/cache.go b/cache.go
index 546788c..e3b15cd 100644
--- a/cache.go
+++ b/cache.go
@@ -14,6 +14,7 @@ var (
 	ErrNotFound       = errors.New("not found")
 	OptWithoutGetter  = optWithoutGetter{}  // for get only
 	OptWithCreateTime = optWithCreateTime{} // for set & get
+	OptWithRedisConn  = optWithRedisConn{}  // for set & get
 )
 
 type Cacher[T any] interface {