Preserve timestamp in sed command

I'm using following sed command to find and replace the string: find dir -name '*.xml' -exec sed -i -e 's/text1/text2/g' {} \; This changes the timestamp of all .xml files inside dir However, how can I retain old timestamps? Thanks

[plasma0713]

タイムスタンプを維持したままsedを適用する方法について。