diff --git a/home/emacs.nix b/home/emacs.nix
index ee13989..2e7c726 100644
--- a/home/emacs.nix
+++ b/home/emacs.nix
@@ -367,6 +367,7 @@ in
           "(rust-mode . lsp)"
           "(c-mode . lsp)"
           "(javascript-mode . lsp)"
+          "(nix-mode . lsp)"
         ];
         bind = { "C-c C-y" = "my/format-document"; };
       };
diff --git a/home/packages.nix b/home/packages.nix
index 40d51ca..e4f1205 100644
--- a/home/packages.nix
+++ b/home/packages.nix
@@ -47,6 +47,7 @@ in
       pv
       python-wp
       ripgrep
+      rnix-lsp
       rsync
       rustup
       shellcheck