Texas Gov. Greg Abbott on Wednesday directed lawmakers to redraw the state’s congressional map as part of a special session that kicks off later this month, as the GOP seeks to retain its narrow US House majority after next year’s midterm elections.

Redistricting is one of 18 items on the agenda during the Texas legislative special session that begins July 21.

Greg Abbott (R-TX) said the Texas legislature would concentrate on redrawing the state’s congressional maps, which heavily favor Republicans. The governor called a special session for state lawmakers to address the matter,