diff --git a/.github/workflows/on_master_commits.yml b/.github/workflows/on_master_commits.yml
index 53e087bb..8ec4f8db 100644
--- a/.github/workflows/on_master_commits.yml
+++ b/.github/workflows/on_master_commits.yml
@@ -18,7 +18,7 @@ jobs:
         uses: conda-incubator/setup-miniconda@v2
         with:
           miniconda-version: 'latest'
-          python-version: "3.10"
+          python-version: "3.11"
           activate-environment: test
           environment-file: .github/test_conda_env.yml
           condarc-file: .github/test_condarc.yml
@@ -62,7 +62,7 @@ jobs:
         uses: conda-incubator/setup-miniconda@v2
         with:
           miniconda-version: 'latest'
-          python-version: "3.9"
+          python-version: "3.11"
           activate-environment: test
           environment-file: .github/test_conda_env.yml
           condarc-file: .github/test_condarc.yml
diff --git a/.github/workflows/release_published.yml b/.github/workflows/release_published.yml
index 88a86610..9812ec21 100644
--- a/.github/workflows/release_published.yml
+++ b/.github/workflows/release_published.yml
@@ -17,7 +17,7 @@ jobs:
         uses: conda-incubator/setup-miniconda@v2
         with:
           miniconda-version: 'latest'
-          python-version: "3.10"
+          python-version: "3.11"
           activate-environment: test
           environment-file: .github/test_conda_env.yml
           condarc-file: .github/test_condarc.yml
@@ -58,7 +58,7 @@ jobs:
         uses: conda-incubator/setup-miniconda@v2
         with:
           miniconda-version: 'latest'
-          python-version: "3.10"
+          python-version: "3.11"
           activate-environment: test
           environment-file: .github/test_conda_env.yml
           condarc-file: .github/test_condarc.yml
diff --git a/.github/workflows/runtests.yml b/.github/workflows/runtests.yml
index 18733fae..9c67a28a 100644
--- a/.github/workflows/runtests.yml
+++ b/.github/workflows/runtests.yml
@@ -28,7 +28,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
 
     # only run if CI isn't turned off
     if: github.event_name == 'push' || !contains(github.event.pull_request.labels.*.name, 'no_ci')
diff --git a/pyproject.toml b/pyproject.toml
index 37e52df9..c7f9ed5c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,10 +34,10 @@ requires-python = ">=3.8"
 classifiers = [
     "Development Status :: 4 - Beta",
     "License :: OSI Approved :: GNU Lesser General Public License v3 or later (LGPLv3+)",
-    "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",
 ]