← All Kali Issues
Kali Linux
Repository key expired
P Package
High
🔴 Error Message
KEYEXPIRED during apt update
📖 What This Means
Repository signing key has expired.
🔧 Step-by-Step Fix
- Update keyring: sudo apt install kali-archive-keyring
- Force install: sudo apt install --allow-unauthenticated kali-archive-keyring
- Then: sudo apt update