pengutronix-archive-keyring (2024.01.05) unstable; urgency=medium The archive keys are shipped in /usr/share/keyrings now. You need to manually update your configuration to continue using them from there. A typical configuration would be to put the following content in /etc/apt/sources.list.d/pengutronix-deb12-bookworm.sources: Types: deb URIs: https://debian.pengutronix.de/debian Suites: bookworm Components: main contrib non-free Signed-by: /usr/share/keyrings/pengutronix-archive-keyring.gpg Alternatively the one-line sources.list entry would looks as follows: deb [signed-by=/usr/share/keyrings/pengutronix-archive-keyring.gpg] https://debian.pengutronix.de/debian bookworm main contrib non-free -- Uwe Kleine-König Thu, 04 Jan 2024 11:47:35 +0100