"Bronię się" (English: I'm defending myself) is a song by Polish singer Sarsa, and the lead single off of her second studio album Pióropusze.

The song was released in Poland as a digital download on 10 March 2017, through Universal Music Polska.

[1] After its release, the song reached number-three on the Polish Airplay – New Chart, and number-26 on the Polish Airplay chart.

[2][3] A music video to accompany the release of "Bronię się" was released on 9 March 2017 through Sarsa's Vevo channel.

It was directed by Marcin Starzecki.