diff --git a/flake.lock b/flake.lock
index 0404252..3f95b08 100644
--- a/flake.lock
+++ b/flake.lock
@@ -16,6 +16,27 @@
         "type": "github"
       }
     },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "zls-flake",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1762808025,
+        "narHash": "sha256-XmjITeZNMTQXGhhww6ed/Wacy2KzD6svioyCX7pkUu4=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "cb5e3fdca1de58ccbc3ef53de65bd372b48f567c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1779536132,
@@ -36,7 +57,8 @@
       "inputs": {
         "nixpkgs": "nixpkgs",
         "utils": "utils",
-        "zig-overlay": "zig-overlay"
+        "zig-overlay": "zig-overlay",
+        "zls-flake": "zls-flake"
       }
     },
     "systems": {
@@ -111,6 +133,31 @@
         "repo": "zig-overlay",
         "type": "github"
       }
+    },
+    "zls-flake": {
+      "inputs": {
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "zig-overlay": [
+          "zig-overlay"
+        ]
+      },
+      "locked": {
+        "lastModified": 1764896432,
+        "narHash": "sha256-6IkRtQkn+qUHDz00QvCV/rb2yuF6xWEXug41CD8LLw8=",
+        "owner": "zigtools",
+        "repo": "zls",
+        "rev": "f91b2e1e305e5d5bd3725aea90f9f9bfb3dce055",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zigtools",
+        "ref": "0.15.1",
+        "repo": "zls",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 1b6d85b..fa7f168 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,20 +7,27 @@
       url = "github:mitchellh/zig-overlay/main";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    zls-flake = {
+      url = "github:zigtools/zls/0.15.1";
+      inputs.zig-overlay.follows = "zig-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = { self, nixpkgs, utils, zig-overlay }:
+  outputs = { self, nixpkgs, utils, zig-overlay, zls-flake }:
     utils.lib.eachDefaultSystem(system:
       let
-        zig = zig-overlay.packages.${system};
+        zls = zls-flake.packages.${system}.default;
+        zig = zig-overlay.packages.${system}."0.15.1";
         pkgs = import nixpkgs { inherit system; };
         cache = import ./nix/cache.nix {
           inherit pkgs;
           inherit zig;
         };
       in {
-        devshells.default = pkgs.mkShell {
-          nativeBuildInputs = [ zig."0.15.1" pkgs.zls ];
+        devShells.default = pkgs.mkShell {
+          nativeBuildInputs = [ zig zls ];
         };
 
         packages.default = pkgs.stdenv.mkDerivation {
@@ -29,7 +36,7 @@
           doCheck = false;
           src = ./.;
 
-          nativeBuildInputs = [ zig."0.15.1" ];
+          nativeBuildInputs = [ zig ];
 
           buildPhase = ''
             export ZIG_GLOBAL_CACHE_DIR=$(mktemp -d)