I need publish apps to google play, but they are telling they need apps over 26 API level

The new update of google play console says that they need apps with over 26 AP level. But thunkable X is made to create apps with 22 API level. Is there any solutions or is there any updates of thunkable X. Its argent, please help!..

ICYMI: Latest Thunkable ✕ Release - Compatibility with Android 8.0 / API 26