diff --git a/README.md b/README.md
index f26059b..f72ce36 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,15 @@ $ ./cxxmatrix 'The Matrix' 'Reloaded'
 
 Quit: <kbd>C-c</kbd>; Suspend: <kbd>C-z</kbd>; Menu: <kbd>RET</kbd>, <kbd>C-m</kbd>
 
+**For NixOS**
+
+```bash
+$ git clone https://github.com/akinomyoga/cxxmatrix.git
+$ cd cxxmatrix
+$ nix develop
+$ make
+$ ./cxxmatrix 'The Matrix' 'Reloaded'
+```
 
 **Compile MSYS2 binary (MSYS2 PTY) using MSYS2**
 
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..88e6258
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1752596105,
+        "narHash": "sha256-lFNVsu/mHLq3q11MuGkMhUUoSXEdQjCHvpReaGP1S2k=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "dab3a6e781554f965bde3def0aa2fda4eb8f1708",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-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..b2ca18f
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,11 @@
+{
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  outputs = { self, nixpkgs }: let
+    pkgs = import nixpkgs { system = "x86_64-linux"; };
+  in {
+    packages.x86_64-linux.default = pkgs.callPackage ./package.nix {};
+    devShells.x86_64-linux.default = pkgs.mkShell {
+      buildInputs = [ pkgs.gawk ];
+    };
+  };
+}