The lawsuit, filed on behalf of 13 Texas residents, states that the redrawn districts in the new map — which Gov. Greg Abbott says he’ll “swiftly” sign into law — are racially discriminatory and violate voter protection laws.

The Texas State Senate has passed a bill approving new congressional redistricting maps, aimed at giving Republicans more seats in the U.S. House.

The mid-decade map redraw adds five Republican-leaning districts and sets up a legal showdown over minority representation.