diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 53bc028..e41e9e0 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -26,10 +26,10 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.11'
+          python-version: '3.12'
 
       - name: Run pre-commit
-        uses: pre-commit/action@v3.0.0
+        uses: pre-commit/action@v3.0.1
 
   test:
     runs-on: ubuntu-latest
@@ -38,6 +38,7 @@ jobs:
       matrix:
         python:
           - '3.11'
+          - '3.12'
 
     steps:
       - uses: actions/checkout@v4
@@ -82,7 +83,7 @@ jobs:
       - name: Run tox
         uses: lsst-sqre/run-tox@v1
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           tox-envs: 'demo,docs'
           # tox-envs: "docs,docs-linkcheck"
 
@@ -113,7 +114,7 @@ jobs:
       - name: Build and publish
         uses: lsst-sqre/build-and-publish-to-pypi@v2
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           upload: false
 
   pypi:
@@ -149,4 +150,4 @@ jobs:
       - name: Build and publish
         uses: lsst-sqre/build-and-publish-to-pypi@v2
         with:
-          python-version: '3.11'
+          python-version: '3.12'
diff --git a/.github/workflows/periodic-ci.yaml b/.github/workflows/periodic-ci.yaml
index 07adea8..22eba84 100644
--- a/.github/workflows/periodic-ci.yaml
+++ b/.github/workflows/periodic-ci.yaml
@@ -16,6 +16,7 @@ jobs:
       matrix:
         python:
           - '3.11'
+          - '3.12'
 
     steps:
       - uses: actions/checkout@v4
@@ -46,7 +47,7 @@ jobs:
       - name: Build docs in tox
         uses: lsst-sqre/run-tox@v1
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           tox-envs: 'demo,docs,docs-linkcheck'
           use-cache: false
 
@@ -62,5 +63,5 @@ jobs:
       - name: Build and publish
         uses: lsst-sqre/build-and-publish-to-pypi@v2
         with:
-          python-version: '3.11'
+          python-version: '3.12'
           upload: false