From Sahih Bukhari (Hadith 7280):
Narrated Abu Huraira:Allah's Messenger (ﷺ) said, "All my followers will enter Paradise except those who refuse." They said, "O Allah's Messenger (ﷺ)! Who will refuse?" He said, "Whoever obeys me will enter Paradise, and whoever disobeys me is the one who refuses (to enter it)
Reference: Bukhari 7280