An opinion on Rengar's damage output

As you all might know, Rengar is very powerful right now, maybe even overpowered, so he'll probably ger nerfed soon. But instead of nerfing him (which wouldn't necessarily be a bad idea), you could lower his Q's base damage, and add some bonus damage on his next basic attack. This way, he won't be able to one-shot squishys in late game, as he's pretty much able to do right now, because they will have a much larger window to react to him, but he will still be powerful enough to matter. This comes from a Rengar main, so I want to hear your opinion on this idea:)