diff --git a/flake.nix b/flake.nix
--- a/flake.nix
+++ b/flake.nix
@@ -53,7 +53,7 @@
         generatedPackages // defaultPackage;
     in
     {
-      formatter = forAllSystems (pkgs: pkgs.nixfmt-tree);
+      formatter = forAllSystems (pkgs: pkgs.treefmt.withConfig (import ./treefmt.nix { inherit pkgs; }));
 
       packages = forAllSystems (mkPackages true);
 
diff --git a/selene.toml b/selene.toml
--- a/selene.toml
+++ b/selene.toml
@@ -1,4 +1,4 @@
-std="vim"
+std = "vim"
 
 [rules]
 mixed_table = "allow"
diff --git a/treefmt.nix b/treefmt.nix
new file mode 100644
--- /dev/null
+++ b/treefmt.nix
@@ -0,0 +1,63 @@
+{ pkgs }:
+{
+  runtimeInputs = with pkgs; [
+    # keep-sorted start
+    deadnix
+    keep-sorted
+    nixfmt-rfc-style
+    statix
+    stylua
+    taplo
+    # keep-sorted end
+
+    (writeShellScriptBin "statix-fix" ''
+      for file in "$@"; do
+        ${lib.getExe statix} fix "$file"
+      done
+    '')
+  ];
+
+  settings = {
+    on-unmatched = "info";
+    tree-root-file = "flake.nix";
+
+    excludes = [
+      "pkgs/ivy-plugins/_sources/*"
+    ];
+
+    formatter = {
+      # keep-sorted start block=yes newline_separated=yes
+      deadnix = {
+        command = "deadnix";
+        includes = [ "*.nix" ];
+      };
+
+      keep-sorted = {
+        command = "keep-sorted";
+        includes = [ "*" ];
+      };
+
+      nixfmt = {
+        command = "nixfmt";
+        includes = [ "*.nix" ];
+      };
+
+      statix = {
+        command = "statix-fix";
+        includes = [ "*.nix" ];
+      };
+
+      stylua = {
+        command = "stylua";
+        includes = [ "*.lua" ];
+      };
+
+      taplo = {
+        command = "taplo";
+        options = "format";
+        includes = [ "*.toml" ];
+      };
+      # keep-sorted end
+    };
+  };
+}
diff --git a/pkgs/ivy/package.nix b/pkgs/ivy/package.nix
--- a/pkgs/ivy/package.nix
+++ b/pkgs/ivy/package.nix
@@ -91,6 +91,7 @@
   ];
 
   grammarsNames = [
+    # keep-sorted start
     "astro"
     "bash"
     "c"
@@ -127,11 +128,11 @@
     "json"
     "jsonc"
     "just"
+    "latex"
     "less"
     "lua"
     "luadoc"
     "luau"
-    "latex"
     "make"
     "markdown"
     "markdown_inline"
@@ -163,6 +164,7 @@
     "yaml"
     "yuck"
     "zig"
+    # keep-sorted end
   ];
 in
 wrapNeovim {