diff --git a/flake.lock b/flake.lock
index fb1a2ef..f61ad26 100644
--- a/flake.lock
+++ b/flake.lock
@@ -53,11 +53,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1773000227,
-        "narHash": "sha256-zm3ftUQw0MPumYi91HovoGhgyZBlM4o3Zy0LhPNwzXE=",
+        "lastModified": 1775037210,
+        "narHash": "sha256-KM2WYj6EA7M/FVZVCl3rqWY+TFV5QzSyyGE2gQxeODU=",
         "owner": "lnl7",
         "repo": "nix-darwin",
-        "rev": "da529ac9e46f25ed5616fd634079a5f3c579135f",
+        "rev": "06648f4902343228ce2de79f291dd5a58ee12146",
         "type": "github"
       },
       "original": {
@@ -91,11 +91,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1774616761,
-        "narHash": "sha256-pzfNGD4voajXEozJPdOom795D3f+thTrPsj3Dlko2SM=",
+        "lastModified": 1775738372,
+        "narHash": "sha256-c/iQt5Brq1WGEkKXU9xnmtG8sWMq6mZqJaPUgqyyjvo=",
         "owner": "elixir-lang",
         "repo": "expert",
-        "rev": "1bbd0df1ebc79621919096ae4c6f911bf5d91336",
+        "rev": "eb07bff80b8a556f3098d712852e175cd4979a48",
         "type": "github"
       },
       "original": {
@@ -127,11 +127,11 @@
         "nixpkgs-lib": "nixpkgs-lib_2"
       },
       "locked": {
-        "lastModified": 1772408722,
-        "narHash": "sha256-rHuJtdcOjK7rAHpHphUb1iCvgkU3GpfvicLMwwnfMT0=",
+        "lastModified": 1775087534,
+        "narHash": "sha256-91qqW8lhL7TLwgQWijoGBbiD4t7/q75KTi8NxjVmSmA=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "f20dc5d9b8027381c474144ecabc9034d6a839a3",
+        "rev": "3107b77cd68437b9a76194f0f7f9c55f2329ca5b",
         "type": "github"
       },
       "original": {
@@ -162,11 +162,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1774584114,
-        "narHash": "sha256-uWR9fC+4NykFJVn4GN4Ini9LX+w8Llj7BnWKKp0N6bw=",
+        "lastModified": 1775683737,
+        "narHash": "sha256-oBYyowo6yfgb95Z78s3uTnAd9KkpJpwzjJbfnpLaM2Y=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "4b1be5c38be350ee9452a4847945ce71d950dc31",
+        "rev": "7ba4ee4228ed36123c7cb75d50524b43514ef992",
         "type": "github"
       },
       "original": {
@@ -177,11 +177,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1774273680,
-        "narHash": "sha256-a++tZ1RQsDb1I0NHrFwdGuRlR5TORvCEUksM459wKUA=",
+        "lastModified": 1775701739,
+        "narHash": "sha256-2FWWY1rr/+pGUJK1npcVcsWNEblzmKs6VxD3VEvwJSs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "fdc7b8f7b30fdbedec91b71ed82f36e1637483ed",
+        "rev": "0f7663154ff2fec150f9dbf5f81ec2785dc1e0db",
         "type": "github"
       },
       "original": {
@@ -208,11 +208,11 @@
     },
     "nixpkgs-lib_2": {
       "locked": {
-        "lastModified": 1772328832,
-        "narHash": "sha256-e+/T/pmEkLP6BHhYjx6GmwP5ivonQQn0bJdH9YrRB+Q=",
+        "lastModified": 1774748309,
+        "narHash": "sha256-+U7gF3qxzwD5TZuANzZPeJTZRHS29OFQgkQ2kiTJBIQ=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "c185c7a5e5dd8f9add5b2f8ebeff00888b070742",
+        "rev": "333c4e0545a6da976206c74db8773a1645b5870a",
         "type": "github"
       },
       "original": {
diff --git a/modules/git/ignore b/modules/git/ignore
index 930927e..a4ae488 100644
--- a/modules/git/ignore
+++ b/modules/git/ignore
@@ -79,3 +79,5 @@ oprofile_data
 # }}}
 
 erl_crash.dump
+
+.dexter.db*
diff --git a/modules/nvim.nix b/modules/nvim.nix
index 7933496..c085ee4 100644
--- a/modules/nvim.nix
+++ b/modules/nvim.nix
@@ -22,7 +22,8 @@ let
             ['rust_analyzer'] = "${pkgs.rust-analyzer}/bin/rust-analyzer",
             ['expert'] = "${expert}/bin/expert",
             ['elp'] = "${pkgs.erlang-language-platform}/bin/elp",
-            ['typos_lsp'] = "${pkgs.typos-lsp}/bin/typos-lsp"
+            ['typos_lsp'] = "${pkgs.typos-lsp}/bin/typos-lsp",
+            ['dexter'] = "dexter"
           }
           package.path = package.path .. ";${pkgs.luajitPackages.fennel}/share/lua/5.1/?.lua"
           require('basic')
diff --git a/modules/nvim/fnl/langclient.fnl b/modules/nvim/fnl/langclient.fnl
index e2fb96c..dfcd9ac 100644
--- a/modules/nvim/fnl/langclient.fnl
+++ b/modules/nvim/fnl/langclient.fnl
@@ -40,10 +40,15 @@
        :cmd [vim.g.lsp_paths.rust_analyzer]
        :settings {:rust-analyzer {:files {:excludeDirs [".direnv"]}}}})
 
-(setup :expert {
+; (setup :expert {
+;        :root_markers [ "mix.exs" ".git" ".jj" ]
+;        :filetypes [ "elixir" "eelixir" "heex" ]
+;        :cmd [vim.g.lsp_paths.expert "--stdio"]})
+
+(setup :dexter {
        :root_markers [ "mix.exs" ".git" ".jj" ]
        :filetypes [ "elixir" "eelixir" "heex" ]
-       :cmd [vim.g.lsp_paths.expert "--stdio"]})
+       :cmd [vim.g.lsp_paths.dexter "lsp"]})
 
 (setup :elp {
        :root_markers [ "rebar.config" ]
diff --git a/modules/tools.nix b/modules/tools.nix
index 469ee97..2d26ec0 100644
--- a/modules/tools.nix
+++ b/modules/tools.nix
@@ -31,5 +31,7 @@ in
     pkgs.timg
     pkgs.typos
     pkgs-self.mac-mole
+
+    pkgs-self.dexter
   ];
 }
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 88252ac..8bcc39f 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -10,6 +10,8 @@
   hosevka = callPackage ./hosevka.nix { };
   mac-mole = callPackage ./mac-mole.nix { };
 
+  dexter = callPackage ./dexter.nix { };
+
   fswatch = writeShellApplication {
     name = "fswatch";
 
diff --git a/pkgs/dexter.nix b/pkgs/dexter.nix
new file mode 100644
index 0000000..b227914
--- /dev/null
+++ b/pkgs/dexter.nix
@@ -0,0 +1,46 @@
+{
+  buildGoModule,
+  fetchFromGitHub,
+  installShellFiles,
+  lib,
+  stdenv,
+}:
+let
+  name = "dexter";
+  version = "0.5.3";
+  src = fetchFromGitHub {
+    owner = "remoteoss";
+    repo = name;
+    tag = "v${version}";
+    hash = "sha256-8JjxR7Q+4OgBSIgODxIEU/0mC+bPp9Nz7uCAjfn4HiY=";
+  };
+in
+buildGoModule {
+  pname = name;
+
+  inherit version src;
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  proxyVendor = true;
+
+  postInstall = ''
+    mv $out/bin/cmd $out/bin/dexter
+  ''
+  + (lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
+    installShellCompletion --cmd dexter \
+      --bash <($out/bin/dexter completion bash) \
+      --fish <($out/bin/dexter completion fish) \
+      --zsh <($out/bin/dexter completion zsh)
+  '');
+
+  vendorHash = "sha256-1mJ4HdDCsZl/g8F+L+NrW2ACuiHe2aSheJO/1XfKAb4=";
+
+  meta = {
+    description = "Fast implementation of Elixir language server in Go";
+    mainProgram = "dexter";
+    homepage = "https://github.com/remoteoss/dexter";
+    license = lib.licenses.mit;
+    platforms = lib.platforms.all;
+  };
+}