diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..db686c5
--- /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": 1767313136,
+        "narHash": "sha256-16KkgfdYqjaeRGBaYsNrhPRRENs0qzkQVUooNHtoy2w=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ac62194c3917d5f474c1a844b6fd6da2db95077d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.05",
+        "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 0000000..49bbfb6
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,55 @@
+{
+  description = "Git-backed issue tracker for AI agents";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        runtimeDeps = with pkgs; [
+          coreutils
+          findutils
+          gawk
+          gnused
+          gnugrep
+          ripgrep
+          jq
+        ];
+      in
+      {
+        packages.ticket = pkgs.stdenvNoCC.mkDerivation {
+          pname = "ticket";
+          version = self.shortRev or self.dirtyShortRev or "dev";
+          src = ./.;
+
+          nativeBuildInputs = [ pkgs.makeWrapper ];
+
+          dontBuild = true;
+
+          installPhase = ''
+            install -Dm755 ticket $out/libexec/tk
+            install -Dm644 LICENSE $out/share/licenses/ticket/LICENSE
+
+            makeWrapper $out/libexec/tk $out/bin/tk \
+              --prefix PATH : ${pkgs.lib.makeBinPath runtimeDeps}
+
+            # Install plugins
+            for plugin in plugins/ticket-*; do
+              [ -L "$plugin" ] && continue
+              install -Dm755 "$plugin" "$out/bin/$(basename "$plugin")"
+            done
+            install -Dm755 plugins/ticket-ls "$out/bin/ticket-list"
+          '';
+        };
+      }
+    ) // {
+      overlays.ticket = final: prev: {
+        ticket = self.packages.${final.system}.ticket;
+      };
+    };
+}