diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index eacf91d..2e179cc 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -12,12 +12,11 @@ on:
 jobs:
   build:
 
-    # Use ubuntu-20.04 since ubuntu-22.04 doesn't support python 3.6
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, '3.10', 3.11]
+        python-version: [3.7, 3.8, 3.9, '3.10', 3.11]
 
     steps:
     - uses: actions/checkout@v3
diff --git a/README.md b/README.md
index 6fa3dcc..c7e8840 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ from opengsq.protocols import (
 
 ## Requirements
 
-- Python 3.6 or higher
+- Python 3.7 or higher
 
 ## Installation
 
@@ -53,12 +53,6 @@ The recommended installation method is using [pip](http://pip-installer.org/):
 pip install --upgrade opengsq
 ```
 
-or, install from source manually with:
-
-```sh
-python setup.py install
-```
-
 ## Usage
 
 Here’s an example of how to query a server using the Source protocol:
diff --git a/docs/install.rst b/docs/install.rst
index dd9af02..325263f 100644
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -1,14 +1,13 @@
 Installation
 ============
 
-You can install the OpenGSQ library using pip:
-
-.. code-block:: console
+Requirements
+------------
 
-   (.venv) $ pip install --upgrade opengsq
+- Python 3.7 or higher
 
-Alternatively, you can install from source manually:
+You can install the OpenGSQ library using pip:
 
 .. code-block:: console
 
-   (.venv) $ python setup.py install
+   (.venv) $ pip install --upgrade opengsq
diff --git a/opengsq/version.py b/opengsq/version.py
index 1c4ddd3..4eb28e3 100644
--- a/opengsq/version.py
+++ b/opengsq/version.py
@@ -1 +1 @@
-__version__ = '2.3.1'
+__version__ = '3.0.0'
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..d1e6ae6
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,2 @@
+[build-system]
+requires = ["setuptools", "wheel"]
diff --git a/setup.py b/setup.py
index 132f7f1..973f485 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
     install_requires=install_requires,
     entry_points={'console_scripts': ['opengsq=opengsq.cli:main']},
     packages=find_packages(exclude=['tests', 'tests.*']),
-    python_requires='>=3.6',
+    python_requires='>=3.7',
     url='https://github.com/opengsq/opengsq-python',
     project_urls={
         'Bug Tracker': 'https://github.com/opengsq/opengsq-python/issues',
@@ -41,7 +41,6 @@
         'License :: OSI Approved :: MIT License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',