diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..0c4da0f
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1755615617,
+        "narHash": "sha256-HMwfAJBdrr8wXAkbGhtcby1zGFvs+StOp19xNsbqdOg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "20075955deac2583bb12f07151c2df830ef346b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..9a2f7ce
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,20 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs}:
+    let
+      supportedSystems = [ "x86_64-linux" ];
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+    in
+    {
+      packages = forAllSystems (system: let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in {
+        xbuild = pkgs.callPackage ./pkgs/x/xbuild/package.nix {};
+      });
+    };
+}
diff --git a/pkgs/x/xbuild/package.nix b/pkgs/x/xbuild/package.nix
index 6003f31..11c3093 100644
--- a/pkgs/x/xbuild/package.nix
+++ b/pkgs/x/xbuild/package.nix
@@ -16,7 +16,8 @@ stdenv.mkDerivation {
     owner = "shen390s";
     repo = "xbuild";
     rev = "master";
-    sha256 = "sha256-DLq7vC+4k2TMy5jKvQkFTy+xZmpvl0+DiWcd7CBVbgw=";
+#    sha256 = "sha256-DLq7vC+4k2TMy5jKvQkFTy+xZmpvl0+DiWcd7CBVbgw=";
+    sha256 =  "sha256-gYIYd3J4mCJJU0yJ+2xL/5URKo+M8T2Q9CWLbxQ2rtQ=";
   };
 
   nativeBuildInputs = [