diff --git a/flake.lock b/flake.lock
new file mode 100644
index 00000000..3f06416f
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1777268161,
+        "narHash": "sha256-bxrdOn8SCOv8tN4JbTF/TXq7kjo9ag4M+C8yzzIRYbE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "1c3fe55ad329cbcb28471bb30f05c9827f724c76",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 00000000..431dddb7
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,53 @@
+{
+  description = "Flake for phphantom-lsp (local development)";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+
+        manifest = (pkgs.lib.importTOML ./Cargo.toml).package;
+      in
+      {
+        packages.default = self.packages.${system}.phpantom-lsp;
+        packages.phpantom-lsp = pkgs.rustPlatform.buildRustPackage rec {
+          pname = manifest.name;
+          cargoLock.lockFile = ./Cargo.lock;
+          version = manifest.version;
+
+          # Use current directory as the source
+          src = pkgs.lib.cleanSource ./.;
+
+          stubsSrc = pkgs.fetchFromGitHub {
+            owner = "JetBrains";
+            repo = "phpstorm-stubs";
+            rev = "3327932472f512d2eb9e122b19702b335083fd9d";
+            hash = "sha256-WN5DAvaw4FfHBl2AqSo1OcEthUm3lOpikdB78qy3cyY=";
+          };
+
+          postPatch = ''
+            mkdir -p stubs/jetbrains
+            cp -a ${stubsSrc} stubs/jetbrains/phpstorm-stubs
+            chmod u+wx stubs/jetbrains/phpstorm-stubs
+            echo "${stubsSrc.rev}" > stubs/jetbrains/phpstorm-stubs/.commit
+          '';
+
+          checkFlags = [
+            "--test"
+            "completion_inheritance"
+          ];
+
+          postInstall = ''
+            mv $out/bin/phpantom_lsp $out/bin/phpantom-lsp
+            ln -s $out/bin/phpantom-lsp $out/bin/phpantom_lsp
+          '';
+        };
+      });
+}