diff --git a/.github/workflows/address-sanitizer.yml b/.github/workflows/address-sanitizer.yml
index ab2dde4..3d164e0 100644
--- a/.github/workflows/address-sanitizer.yml
+++ b/.github/workflows/address-sanitizer.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: "3.10"
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/clang-analyzer.yml b/.github/workflows/clang-analyzer.yml
index d99d47a..8ca1a74 100644
--- a/.github/workflows/clang-analyzer.yml
+++ b/.github/workflows/clang-analyzer.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: 3.11
 
       - name: Build and run analyzer
         run: CFLAGS="-Werror -Wall -Wextra" scan-build --status-bugs python setup.py build
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index bd723d2..af4b6b5 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.10"
+          python-version: "3.11"
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c603446..02c5f1c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
         # We don't test on Windows and macOS currently due to issues
         # build libmaxminddb there.
         platform: [ubuntu-latest]
-        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.7, 3.8, 3.9, "3.10", 3.11]
 
     name: Python ${{ matrix.python-version }} on ${{ matrix.platform }}
     runs-on: ${{ matrix.platform }}
diff --git a/HISTORY.rst b/HISTORY.rst
index f99dfac..ebba391 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -6,6 +6,8 @@ History
 2.3.0
 ++++++++++++++++++
 
+* IMPORTANT: Python 3.7 or greater is required. If you are using an older
+  version, please use an earlier release.
 * ``distutils`` is no longer used for building the C extension.
 
 2.2.0 (2021-09-24)
diff --git a/README.rst b/README.rst
index a459c1f..f93eb95 100644
--- a/README.rst
+++ b/README.rst
@@ -94,7 +94,7 @@ invalid IP address or an IPv6 address in an IPv4 database.
 Requirements
 ------------
 
-This code requires Python 3.6+. Older versions are not supported. The C
+This code requires Python 3.7+. Older versions are not supported. The C
 extension requires CPython.
 
 Versioning
diff --git a/setup.cfg b/setup.cfg
index fbfd1b3..40c30ac 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,11 +13,11 @@ envlist = py36, py37, py38, py39, mypy
 
 [gh-actions]
 python =
-    3.6: py36
     3.7: py37
     3.8: py38
     3.9: py39
-   "3.10": py310, mypy
+   "3.10": py310
+   3.11: py311, mypy
 
 
 [testenv]
diff --git a/setup.py b/setup.py
index 982add6..0e1fed9 100644
--- a/setup.py
+++ b/setup.py
@@ -119,7 +119,7 @@ def run_setup(with_cext):
             "Source Code": "https://github.com/maxmind/MaxMind-DB-Reader-python",
             "Issue Tracker": "https://github.com/maxmind/MaxMind-DB-Reader-python/issues",
         },
-        python_requires=">=3.6",
+        python_requires=">=3.7",
         include_package_data=True,
         install_requires=requirements,
         license=LICENSE,
@@ -131,11 +131,11 @@ def run_setup(with_cext):
             "Intended Audience :: System Administrators",
             "License :: OSI Approved :: Apache Software License",
             "Programming Language :: Python :: 3",
-            "Programming Language :: Python :: 3.6",
             "Programming Language :: Python :: 3.7",
             "Programming Language :: Python :: 3.8",
             "Programming Language :: Python :: 3.9",
             "Programming Language :: Python :: 3.10",
+            "Programming Language :: Python :: 3.11",
             "Programming Language :: Python",
             "Topic :: Internet :: Proxy Servers",
             "Topic :: Internet",