diff --git a/.config/nvim/lua/rocketcamel/plugins/lsp.lua b/.config/nvim/lua/rocketcamel/plugins/lsp.lua
index 452fa8e..4abdc8a 100644
--- a/.config/nvim/lua/rocketcamel/plugins/lsp.lua
+++ b/.config/nvim/lua/rocketcamel/plugins/lsp.lua
@@ -14,6 +14,7 @@ return {
 					"ts_ls",
 					"lua_ls",
 					"rust_analyzer",
+					"nil_ls",
 				},
 				handlers = {
 					function(server)
diff --git a/nix/flake.nix b/nix/flake.nix
index 7815b26..d71de6f 100644
--- a/nix/flake.nix
+++ b/nix/flake.nix
@@ -33,6 +33,9 @@
           modules = [
             ./hosts/${host.name}/configuration.nix
             home-manager.nixosModules.home-manager
+            {
+              nix.settings.experimental-features = [ "nix-command" "flakes" ];
+            }
           ] ++ (if host.isWSL then [ nixos-wsl.nixosModules.default ] else [ ]);
         };
       }) hosts);
diff --git a/nix/modules/commonPackages.nix b/nix/modules/commonPackages.nix
index 70a54f0..6b24304 100644
--- a/nix/modules/commonPackages.nix
+++ b/nix/modules/commonPackages.nix
@@ -18,6 +18,7 @@
     git
     gcc
     rustup
+    nixfmt-rfc-style
   ];
   config.programs.nix-ld.enable = true;
 }