diff --git a/README.md b/README.md
index 521db14..44bfb70 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 [![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
- [![Python version](https://img.shields.io/badge/Python-3.11-blue.svg)](https://www.python.org/) [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black) [![Flask version](https://img.shields.io/badge/Flask-2.1-green.svg)](https://flask.palletsprojects.com) 
+ [![Python version](https://img.shields.io/badge/Python-3.13-blue.svg)](https://www.python.org/) [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black) [![Flask version](https://img.shields.io/badge/Flask-3.1-green.svg)](https://flask.palletsprojects.com) 
 
 [![Build Status - pytest](https://github.com/kianby/stacosys/workflows/pytest/badge.svg)](https://github.com/kianby/stacosys) [![Coverage Status](https://coveralls.io/repos/github/kianby/stacosys/badge.svg?branch=main)](https://coveralls.io/github/kianby/stacosys?branch=main) [![Build status - docker image](https://github.com/kianby/stacosys/workflows/docker/badge.svg)](https://hub.docker.com/r/kianby/stacosys)
 
diff --git a/stacosys.spec b/stacosys.spec
deleted file mode 100644
index 7a25893..0000000
--- a/stacosys.spec
+++ /dev/null
@@ -1,37 +0,0 @@
-# -*- mode: python ; coding: utf-8 -*-
-
-
-a = Analysis(
-    ['src/stacosys/run.py'],
-    pathex=['src'],
-    binaries=[],
-    datas=[('src/stacosys/interface/templates/*.html', 'stacosys/interface/templates/'), ('src/stacosys/i18n/*.properties', 'stacosys/i18n/')],
-    hiddenimports=[],
-    hookspath=[],
-    hooksconfig={},
-    runtime_hooks=[],
-    excludes=[],
-    noarchive=False,
-)
-pyz = PYZ(a.pure)
-
-exe = EXE(
-    pyz,
-    a.scripts,
-    a.binaries,
-    a.datas,
-    [],
-    name='stacosys',
-    debug=False,
-    bootloader_ignore_signals=False,
-    strip=False,
-    upx=True,
-    upx_exclude=[],
-    runtime_tmpdir=None,
-    console=True,
-    disable_windowed_traceback=False,
-    argv_emulation=False,
-    target_arch=None,
-    codesign_identity=None,
-    entitlements_file=None,
-)