diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 8da7a0c..81970d1 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: '3.12'
       - name: Install tox
         run: pip install tox
       - name: Run pycodestyle
@@ -29,7 +29,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ['3.8', '3.9', '3.10', '3.11']
+        python: ['3.9', '3.10', '3.11', '3.12']
         os: [macos-latest, ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -69,7 +69,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: '3.12'
       - name: Create package
         run: python setup.py sdist
       - name: Publish package
diff --git a/setup.cfg b/setup.cfg
index 178729f..b128e19 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -12,10 +12,10 @@ classifiers =
   Operating System :: OS Independent
   Programming Language :: Python
   Programming Language :: Python :: 3
-  Programming Language :: Python :: 3.8
   Programming Language :: Python :: 3.9
   Programming Language :: Python :: 3.10
   Programming Language :: Python :: 3.11
+  Programming Language :: Python :: 3.12
   Topic :: Scientific/Engineering
   License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)
   Intended Audience :: Science/Research
diff --git a/tox.ini b/tox.ini
index cf119cc..e0b3fa5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{37,38,39,310},pycodestyle
+envlist = py{39,310,311,312},pycodestyle
 
 [pycodestyle]
 max-line-length = 120