home-manager/docs/manual/faq/unstable.md

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# How do I install packages from Nixpkgs unstable? {#_how_do_i_install_packages_from_nixpkgs_unstable}
If you are using a stable version of Nixpkgs but would like to install
some particular packages from Nixpkgs unstable -- or some other channel
-- then you can import the unstable Nixpkgs and refer to its packages
within your configuration. Something like
``` nix
{ pkgs, config, ... }:
let
pkgsUnstable = import <nixpkgs-unstable> {};
in
{
home.packages = [
pkgsUnstable.foo
];
# …
}
```
should work provided you have a Nix channel called `nixpkgs-unstable`.
You can add the `nixpkgs-unstable` channel by running
``` shell
$ nix-channel --add https://nixos.org/channels/nixpkgs-unstable nixpkgs-unstable
$ nix-channel --update
```
Note, the package will not be affected by any package overrides,
overlays, etc.