diff --git a/flake.lock b/flake.lock
index afe63f9..6edd101 100644
--- a/flake.lock
+++ b/flake.lock
@@ -719,11 +719,11 @@
     "kak-lsp": {
       "flake": false,
       "locked": {
-        "lastModified": 1700148409,
-        "narHash": "sha256-+fNLgWjLrzOWmXnCfv92TDrWdDAYXye7Wf+KPsTv2VQ=",
+        "lastModified": 1703606616,
+        "narHash": "sha256-/xXwrZGffUHeUxhliADCd3MVTsvZMwMQ6KIse5VzTAk=",
         "owner": "natsukagami",
         "repo": "kak-lsp",
-        "rev": "8dab463fe2caf8cb86b8fead12dc2fb64a613e20",
+        "rev": "15e7c7df4dde60afe872a8ed1396d9c512fc66ef",
         "type": "github"
       },
       "original": {
diff --git a/home/modules/programs/my-kakoune/kak-lsp.nix b/home/modules/programs/my-kakoune/kak-lsp.nix
index 1a5bd8a..e80574e 100644
--- a/home/modules/programs/my-kakoune/kak-lsp.nix
+++ b/home/modules/programs/my-kakoune/kak-lsp.nix
@@ -109,6 +109,9 @@ let
           command = "${pkgs.nil}/bin/nil";
           filetypes = [ "nix" ];
           roots = [ "flake.nix" "shell.nix" ".git" ];
+          settings.nil = {
+            formatting.command = [ "${getExe pkgs.nixpkgs-fmt}" ];
+          };
         };
         ocaml = {
           args = [ ];