diff --git a/cmd/pg-lockless-fifo-demo/main.go b/cmd/pg-lockless-fifo-demo/main.go
index 364e54b..da91848 100644
--- a/cmd/pg-lockless-fifo-demo/main.go
+++ b/cmd/pg-lockless-fifo-demo/main.go
@@ -9,9 +9,6 @@ import (
 	"time"
 
 	"pg/src/with"
-
-	_ "github.com/lib/pq"
-	_ "modernc.org/sqlite"
 )
 
 func main() {
@@ -22,14 +19,14 @@ func main() {
 
 func run(ctx context.Context) error {
 	fs := flag.NewFlagSet(os.Args[0], flag.ContinueOnError)
-	c := fs.String("c", "postgresql://pulsegres:pulsegres@localhost:15432", "conn string")
+	c := fs.String("c", "sqlite://", "conn string")
 	if err := fs.Parse(os.Args[1:]); err != nil {
 		panic(err)
 	}
 
-	return with.PSQL(ctx, *c, func(pg *sql.DB) error {
+	return with.SQL(ctx, *c, func(db *sql.DB) error {
 		go with.Every(ctx, 5*time.Second, func() {
-			row := pg.QueryRowContext(ctx, `SELECT 1`)
+			row := db.QueryRowContext(ctx, `SELECT 1`)
 			var n int
 			if err := row.Err(); err != nil {
 				log.Println("query err:", err)