From Sahih Bukhari (Hadith 7057):
Narrated Usaid bin Hudair:A man came to the Prophet (ﷺ) and said, "O Allah's Messenger (ﷺ)! You appointed such-and-such person and you did not appoint me?" The Prophet (ﷺ) said, "After me you will see rulers not giving you your right (but you should give them their right) and be patient till you meet me
Reference: Bukhari 7057