House Speaker Mike Johnson‘s (R-LA) grip on his caucus has strengthened but hasn’t stopped members from trying to reshape the ranks.

Despite his directives to Republican colleagues to put aside their differences and support incumbents in the House over primary challengers, the assault on the razor-thin majority has continued apace. And although initial attempts to oust members who hard-line lawmakers say aren’t conservative enough have failed, there doesn’t appear to be any change coming.