diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 970eace..b182fd9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,36 +1,28 @@
-name: Run Tests
-
-on:
-  push:
-    branches:
-      - master
-
 jobs:
   test:
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+
     steps:
-      # Checkout the code
       - name: Checkout code
         uses: actions/checkout@v3
 
-      # Set up Python
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: ["3.11", "3.12"]
+          python-version: ${{ matrix.python-version }}
 
-      # Install UV
       - name: Install UV
         run: |
           curl -LsSf https://astral.sh/uv/install.sh | sh
 
-      # Sync the environment with UV (will create and use .venv)
       - name: Sync project environment with UV
         run: |
           uv sync
 
-      # Run the tests using UV
       - name: Run tests
         run: |
           uv run pytest
diff --git a/README.rst b/README.rst
index 053b0b1..8fefbea 100644
--- a/README.rst
+++ b/README.rst
@@ -3,7 +3,7 @@ Geohexgrid
 .. image:: https://github.com/araichev/geohexgrid/actions/workflows/run_tests.yml/badge.svg
    :target: https://github.com/araichev/geohexgrid/actions/workflows/run_tests.yml
 
-A tiny Python 3.9+ library for making geographic flat-top hexagonal grids like QGIS's `create grid function <https://docs.qgis.org/3.22/en/docs/user_manual/processing_algs/qgis/vectorcreation.html?highlight=create%20grid#create-grid>`_.
+A tiny Python 3.10+ library for making geographic flat-top hexagonal grids like QGIS's `create grid function <https://docs.qgis.org/3.22/en/docs/user_manual/processing_algs/qgis/vectorcreation.html?highlight=create%20grid#create-grid>`_.
 That's it.
 Not designed for making other kinds of grids or `discrete global grid systems <https://en.wikipedia.org/wiki/Discrete_global_grid>`_.
 
@@ -84,6 +84,7 @@ Changes
 -----------------
 - Bugfixed ``make_grid_from_bounds`` in response to `Issue 1 <https://github.com/mrcagney/geohexgrid/issues/2>`_.
 - Switched from Poetry to UV for project management.
+- Bumped Python version up to 3.10+.
 
 2.0.0, 2023-11-14
 -----------------
diff --git a/pyproject.toml b/pyproject.toml
index ac1471a..b185f48 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "geohexgrid"
 version = "2.1.0"
 description = "A Python library for making geographic flat-top hexagon grids like QGIS's `create grid` function"
 readme = "README.rst"
-requires-python = ">=3.11,<4"
+requires-python = ">=3.10"
 license = "MIT"
 authors = [
     { name = "Alex Raichev", email = "araichev@mrcagney.com" },