A Republican lawmaker introduced legislation Thursday to shore up Social Security’s finances and boost benefits for low-income workers without raising taxes, a conservative version of reform that could gain attention under unified GOP government next year.

The bill put forward by Texas’ Sam Johnson, the chairman of the subcommittee on Social Security, would reduce costs by changing the benefits formula to reduce payments progressively for high earners. It would also gradually raise the full retirement age from 67 to 69 for people who are today 49 or younger. Lastly, it would change the inflation metric used to calculate benefits to one that shows lower inflation, essentially slowing the growth in benefits, and eliminate cost of living adjustments for high earners.