diff --git a/README.md b/README.md
index f1928e9..e42a84c 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,13 @@ docker pull lycheeverse/lychee
 nix-env -iA nixos.lychee
 ```
 
+### Nixpkgs
+
+- [`lychee` package](https://search.nixos.org/packages?show=lychee&query=lychee) for configurations, Nix shells, etc.
+
+- Let Nix check a packaged site with \
+  [`testers.lycheeLinkCheck`](https://nixos.org/manual/nixpkgs/stable/#tester-lycheeLinkCheck) `{ site = …; }`
+
 ### FreeBSD
 
 ```sh