diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 4a2da36..843f416 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -15,25 +15,17 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v6
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        python -m pip install flake8 pylint
-        python -m pip install .
-    - name: Lint with flake8
+        python -m pip install tox
+    - name: Run tox
       run: |
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Lint with pylint
-      run: |
-        pylint -E tmDiff
+        tox -e py
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92d34c3..f30e8c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.3] - 2025-12-19
+
+### Changed
+
+- Replaced explicit Git URL-based dependency installation to custom package index.
+
 ## [0.9.2] - 2024-05-23
 
 ### Changed
@@ -80,7 +86,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Depends on utm 0.8.0
 
-[unreleased]: https://github.com/cms-l1-globaltrigger/tm-diff/compare/0.9.2...HEAD
+[unreleased]: https://github.com/cms-l1-globaltrigger/tm-diff/compare/0.9.3...HEAD
+[0.9.3]: https://github.com/cms-l1-globaltrigger/tm-diff/compare/0.9.2...0.9.3
 [0.9.2]: https://github.com/cms-l1-globaltrigger/tm-diff/compare/0.9.1...0.9.2
 [0.9.1]: https://github.com/cms-l1-globaltrigger/tm-diff/compare/0.9.0...0.9.1
 [0.9.0]: https://github.com/cms-l1-globaltrigger/tm-diff/compare/0.8.1...0.9.0
diff --git a/README.md b/README.md
index c866c35..efcacda 100644
--- a/README.md
+++ b/README.md
@@ -3,11 +3,8 @@ XML Menu Diff
 
 ## Install
 
-Install using pip (>= 19.0).
-
 ```bash
-pip install --upgrade pip
-pip install git+https://github.com/cms-l1-globaltrigger/tm-diff.git@0.9.2
+pip install --index https://globaltrigger.web.cern.ch/pypi tm-diff
 ```
 
 ## Basic usage
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 4ea7a94..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-tm-python @ git+https://github.com/cms-l1-globaltrigger/tm-python@0.13.0
diff --git a/setup.cfg b/setup.cfg
index e4d9fc9..62c7771 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -12,10 +12,10 @@ classifiers =
     "Topic :: Utilities"
 
 [options]
-python_requires = >=3.6
+python_requires = >=3.9
 packages = find:
 install_requires =
-    tm-python @ git+https://github.com/cms-l1-globaltrigger/tm-python@0.13.0
+    tm-table~=0.13.0
 test_suite = tests
 
 [options.packages.find]
diff --git a/tmDiff/__init__.py b/tmDiff/__init__.py
index a2fecb4..c598173 100644
--- a/tmDiff/__init__.py
+++ b/tmDiff/__init__.py
@@ -1 +1 @@
-__version__ = "0.9.2"
+__version__ = "0.9.3"
diff --git a/tmDiff/__main__.py b/tmDiff/__main__.py
index c56321b..72906fd 100755
--- a/tmDiff/__main__.py
+++ b/tmDiff/__main__.py
@@ -1,5 +1,4 @@
 import argparse
-import os
 import sys
 from typing import Callable, Dict, List
 
diff --git a/tox.ini b/tox.ini
index e12aa9c..5511e2a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,16 +1,16 @@
 [tox]
-envlist = py36, py37, py38, py39, py310, py311, py312
+envlist = py39, py310, py311, py312, py313
 isolated_build = true
 skip_missing_interpreters = true
 
 [testenv]
+setenv =
+    PIP_EXTRA_INDEX_URL = https://globaltrigger.web.cern.ch/pypi
 deps =
-    flake8
-    pylint
+    ruff
     mypy
     pytest
 commands =
-    flake8 tmDiff --select=E9,F63,F7,F82
-    pylint -E tmDiff
+    ruff check tmDiff --select=E9,F63,F7,F82
     mypy tmDiff
     # pytest