diff --git a/generator.go b/generator.go
index 6f09bf59..1635ab0d 100644
--- a/generator.go
+++ b/generator.go
@@ -6,7 +6,6 @@ import (
 	"database/sql"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"os"
 	"path/filepath"
@@ -567,7 +566,7 @@ func (g *Generator) output(fileName string, content []byte) error {
 		}
 		return fmt.Errorf("cannot format file: %w", err)
 	}
-	return ioutil.WriteFile(fileName, result, 0640)
+	return os.WriteFile(fileName, result, 0640)
 }
 
 func (g *Generator) pushQueryStructMeta(meta *generate.QueryStructMeta) (*genInfo, error) {