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Home / v1.11.4
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README.md 2026-04-17 2.4 kB
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This release is a hotfix for an expired package signing key with no other changes. If you see the following error when running sudo apt update or sudo dnf check-update, you can install the latest package directly to resolve it:

The following signatures were invalid: EXPKEYSIG 17C4AE797B819BF4 Flox Security (release signing key) <security@flox.dev>

Debian/Ubuntu (DEB):

:::bash
# For x86_64:
curl -fsSL -O https://downloads.flox.dev/by-env/stable/deb/flox-1.11.4.x86_64-linux.deb
sudo dpkg -i flox-1.11.4.x86_64-linux.deb

:::bash
# For aarch64 (ARM):
curl -fsSL -O https://downloads.flox.dev/by-env/stable/deb/flox-1.11.4.aarch64-linux.deb
sudo dpkg -i flox-1.11.4.aarch64-linux.deb

Fedora/RHEL/Rocky (RPM):

First, find and remove the expired Flox signing key:

:::bash
rpm -e gpg-pubkey-d89ee7d68a1ba21f4bf9a8f517c4ae797b819bf4-661ed2e2

[!NOTE] This may return error: package gpg-pubkey-d89ee7d68a1ba21f4bf9a8f517c4ae797b819bf4-661ed2e2 is not installed; that message is expected and does not indicate a failure

Then import the updated signing key:

:::bash
rpm --import https://downloads.flox.dev/by-env/stable/rpm/flox-archive-keyring.asc

Then update Flox:

:::bash
dnf update flox

Once installed, sudo apt update and sudo dnf check-update will no longer produce this error. If you have any issues or questions, you can reach us on our community slack.

[!NOTE] You can find the SHA256 checksums for Flox 1.11.4 and SHA512 checksums for Flox 1.11.4 online.

Source: README.md, updated 2026-04-17