diff --git a/build.sh b/build.sh
index 3f092f8..67dcc16 100755
--- a/build.sh
+++ b/build.sh
@@ -1,11 +1,20 @@
 #!/usr/bin/env bash
-# Compila gitswarm a un binario standalone con Nuitka.
+# Compila gitswarm a un binario standalone con Nuitka y empaqueta un tar.gz de release.
 # Requisitos del sistema: python3-dev, gcc, patchelf (ver README).
 set -euo pipefail
 
 HERE="$(cd "$(dirname "$0")" && pwd)"
 cd "$HERE"
 
+VERSION="$(grep -oP '__version__\s*=\s*"\K[^"]+' gitswarm.py)"
+if [ -z "$VERSION" ]; then
+  echo "[build] no se pudo leer __version__ de gitswarm.py" >&2
+  exit 1
+fi
+ARCH="$(uname -m)"
+OS="$(uname -s | tr '[:upper:]' '[:lower:]')"
+RELEASE_NAME="gitswarm-v${VERSION}-${OS}-${ARCH}"
+
 if [ ! -d .venv ]; then
   echo "[build] creando venv…"
   python3 -m venv .venv
@@ -18,6 +27,7 @@ if ! .venv/bin/python -c "import nuitka" 2>/dev/null; then
   .venv/bin/pip install --quiet nuitka
 fi
 
+echo "[build] versión: v${VERSION}"
 echo "[build] limpiando artefactos previos…"
 rm -rf dist build gitswarm.build gitswarm.dist gitswarm.onefile-build
 
@@ -32,6 +42,9 @@ echo "[build] compilando (esto puede tardar 1-2 min)…"
   --include-package=rich \
   gitswarm.py
 
+echo "[build] empaquetando release ${RELEASE_NAME}.tar.gz…"
+tar -czf "dist/${RELEASE_NAME}.tar.gz" -C dist gitswarm
+
 echo "[build] hecho:"
-ls -lh dist/gitswarm
+ls -lh "dist/gitswarm" "dist/${RELEASE_NAME}.tar.gz"
 echo "[build] instalar con:  cp dist/gitswarm ~/.local/bin/"
diff --git a/gitswarm b/gitswarm
deleted file mode 100755
index 4f8a8a8..0000000
--- a/gitswarm
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-# Wrapper que ejecuta gitswarm.py dentro del venv local.
-HERE="$(cd "$(dirname "$0")" && pwd)"
-exec "$HERE/.venv/bin/python" "$HERE/gitswarm.py" "$@"
diff --git a/gitswarm.py b/gitswarm.py
index af84554..868d489 100644
--- a/gitswarm.py
+++ b/gitswarm.py
@@ -16,6 +16,8 @@ from rich.prompt import Prompt
 from rich.table import Table
 from rich.text import Text
 
+__version__ = "1.0.0"
+
 console = Console()
 
 
@@ -211,13 +213,16 @@ HELP = """[bold]Comandos:[/bold]
   [cyan]refresh[/cyan] / [cyan]r[/cyan]           Re-escanea haciendo git fetch
   [cyan]update <repo>[/cyan]      git pull --ff-only en ese repo (acepta nº, nombre o trozo)
   [cyan]update all[/cyan]         Actualiza todos los que estén behind
+  [cyan]version[/cyan] / [cyan]v[/cyan]            Muestra la versión
   [cyan]help[/cyan] / [cyan]?[/cyan]               Esta ayuda
   [cyan]quit[/cyan] / [cyan]q[/cyan]               Salir (también Ctrl-D / Ctrl-C)
 """
 
 
 def repl(base: Path) -> None:
-    console.print(f"[dim]gitswarm — escaneando[/dim] [bold]{base}[/bold]")
+    console.print(
+        f"[dim]gitswarm v{__version__} — escaneando[/dim] [bold]{base}[/bold]"
+    )
     repos = scan(base, fetch=True)
     if not repos:
         console.print(f"[yellow]No se han encontrado repos git en {base}[/yellow]")
@@ -245,6 +250,8 @@ def repl(base: Path) -> None:
             console.print(HELP)
         elif cmd in ("list", "ls"):
             console.print(render_table(repos))
+        elif cmd in ("version", "v"):
+            console.print(f"gitswarm v{__version__}")
         elif cmd in ("refresh", "r"):
             repos = scan(base, fetch=True)
             console.print(render_table(repos))
@@ -262,6 +269,12 @@ def main() -> int:
         prog="gitswarm",
         description="Lista y actualiza repos git de primer nivel en una carpeta.",
     )
+    parser.add_argument(
+        "-v",
+        "--version",
+        action="version",
+        version=f"gitswarm v{__version__}",
+    )
     parser.add_argument("path", type=Path, help="Carpeta a escanear")
     args = parser.parse_args()
     if not args.path.is_dir():
diff --git a/requirements.txt b/requirements.txt
index 51f97ae..91a1b78 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 rich>=13.0
+zstandard>=0.22