From Sahih Bukhari (Hadith 1412):
Narrated Abu Huraira:The Prophet (ﷺ) said, "The Hour (Day of Judgment) will not be established till your wealth increases so much so that one will be worried, for no one will accept his Zakat and the person to whom he will give it will reply, 'I am not in need of it
Reference: Bukhari 1412