diff --git a/flake.lock b/flake.lock
index a26476f..c733ba2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -124,6 +124,22 @@
         "type": "github"
       }
     },
+    "fennel-ls": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1689863239,
+        "narHash": "sha256-xPTgGmeILJSNsC++r9x+ussS7ttG7a5Cgl/D02auTgE=",
+        "owner": "~xerool",
+        "repo": "fennel-ls",
+        "rev": "e7c642e12a15c6d452559414ee1890b30f4e8406",
+        "type": "sourcehut"
+      },
+      "original": {
+        "owner": "~xerool",
+        "repo": "fennel-ls",
+        "type": "sourcehut"
+      }
+    },
     "gh-nvim": {
       "flake": false,
       "locked": {
@@ -283,6 +299,7 @@
         "cmp-git": "cmp-git",
         "copilot-cmp": "copilot-cmp",
         "copilot-lua": "copilot-lua",
+        "fennel-ls": "fennel-ls",
         "gh-nvim": "gh-nvim",
         "home-manager": "home-manager_2",
         "impermanence": "impermanence",
diff --git a/flake.nix b/flake.nix
index 7ee362b..5961b70 100644
--- a/flake.nix
+++ b/flake.nix
@@ -36,6 +36,11 @@
       flake = false;
     };
 
+    fennel-ls = {
+      url = "sourcehut:~xerool/fennel-ls";
+      flake = false;
+    };
+
     gh-nvim = {
       url = "github:ldelossa/gh.nvim";
       flake = false;
diff --git a/overlay/default.nix b/overlay/default.nix
index 037142d..d4db3db 100644
--- a/overlay/default.nix
+++ b/overlay/default.nix
@@ -2,4 +2,5 @@ inputs: self: super: {
   inherit inputs;
 
   apl386 = super.callPackage ./apl386 {};
+  fennel-ls = super.callPackage ./fennel-ls {};
 }
diff --git a/overlay/fennel-ls/default.nix b/overlay/fennel-ls/default.nix
new file mode 100644
index 0000000..bc8f560
--- /dev/null
+++ b/overlay/fennel-ls/default.nix
@@ -0,0 +1,25 @@
+{
+  inputs,
+  lib,
+  stdenvNoCC,
+  lua,
+  luaPackages,
+}:
+stdenvNoCC.mkDerivation {
+  name = "fennel-ls";
+
+  src = inputs.fennel-ls;
+
+  nativeBuildInputs = [luaPackages.fennel];
+  buildInputs = [lua];
+
+  makeFlags = ["PREFIX=$(out)"];
+
+  meta = with lib; {
+    description = "A language server for fennel-ls.";
+    homepage = "https://git.sr.ht/~xerool/fennel-ls";
+    license = licenses.mit;
+    platforms = lua.meta.platforms;
+    maintainers = with maintainers; [buffet];
+  };
+}
diff --git a/programs/nvim.nix b/programs/nvim.nix
index f2a4557..8af4d15 100644
--- a/programs/nvim.nix
+++ b/programs/nvim.nix
@@ -10,6 +10,7 @@
 
     home.packages = with pkgs; [
       clang-tools
+      fennel-ls
       nil
       rust-analyzer
       sumneko-lua-language-server
@@ -376,6 +377,7 @@
               '';
               servers = [
                 "clangd"
+                "fennel_ls"
                 "gopls"
                 "lua_ls"
                 "nil_ls"