diff --git a/.circleci/config.yml b/.circleci/config.yml
index 88b4b96c..45a8ffec 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,13 +2,13 @@ version: 2
 jobs:
   twine-check:
     docker:
-      - image: circleci/python:3.8
+      - image: cimg/python:3.12
     steps:
       - checkout
-      - run: python setup.py sdist
-      - run: python -m pip install -U --user --force-reinstall twine
+      - run: python -m pip install -U --user build
+      - run: python -m build . --sdist
+      - run: python -m pip install -U --user twine
       - run: python -m twine check dist/*
-
 workflows:
   version: 2
   twine-check:
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e36af018..2423841d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,7 +40,7 @@ jobs:
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
-  test:
+  tests:
     needs: [core]
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@main
     with:
@@ -64,17 +64,45 @@ jobs:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   docs:
-    needs: [test]
+    needs: [core]
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@main
     with:
       default_python: '3.9'
       submodules: false
       pytest: false
+      libraries: |
+        apt:
+            - pandoc
+            - graphviz
       envs: |
         - linux: py312-docs
 
+  conda:
+    needs: [core]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          lfs: true
+      - uses: conda-incubator/setup-miniconda@v3
+        with:
+          activate-environment: ablog-test
+          environment-file: ablog-conda-test-env.yml
+          python-version: "3.12"
+      - name: Install ablog
+        shell: bash -el {0}
+        run: |
+          pip install --no-deps --no-build-isolation .
+      - name: Run test
+        shell: bash -el {0}
+        run: |
+          conda list
+          pytest -vvv -r a --pyargs ablog
+          make tests
+
   extras:
-    needs: [test]
+    needs: [tests]
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@main
     with:
       default_python: '3.9'
@@ -86,6 +114,5 @@ jobs:
             - graphviz
       envs: |
         - linux: py312-sphinxdev
-        - linux: py312-conda
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 04e6c440..e316179a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -12,7 +12,7 @@ repos:
     hooks:
     - id: isort
 -   repo: https://github.com/psf/black
-    rev: 24.4.0
+    rev: 24.4.2
     hooks:
     - id: black
 -   repo: https://github.com/pre-commit/pre-commit-hooks
@@ -26,7 +26,7 @@ repos:
     - id: check-yaml
     - id: debug-statements
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: 'v0.3.7'
+    rev: 'v0.4.2'
     hooks:
       - id: ruff
         args: ['--fix']
diff --git a/ablog-conda-test-env.yml b/ablog-conda-test-env.yml
new file mode 100644
index 00000000..df8fa7a1
--- /dev/null
+++ b/ablog-conda-test-env.yml
@@ -0,0 +1,22 @@
+channels:
+  - conda-forge
+
+dependencies:
+  - alabaster
+  - docutils
+  - feedgen
+  - graphviz
+  - invoke
+  - make
+  - myst-parser
+  - nbsphinx
+  - packaging
+  - pandoc
+  - pip
+  - pytest
+  - python-dateutil
+  - setuptools
+  - setuptools-scm
+  - sphinx
+  - sphinx-automodapi
+  - watchdog
diff --git a/setup.cfg b/setup.cfg
index d8f208b5..32ccaa93 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -41,6 +41,7 @@ docs =
   sphinx-automodapi
 tests =
   pytest
+  defusedxml>=0.8.0rc2
 
 [options.entry_points]
 console_scripts =
diff --git a/tox.ini b/tox.ini
index 8c4c5326..cbffc463 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,6 @@ envlist =
 
 [testenv]
 allowlist_externals =
-    conda
     make
     git
 deps =
@@ -17,8 +16,8 @@ commands =
     sphinx6: pip install -U "sphinx>=6.0,<7.0"
     sphinx7: pip install -U "sphinx>=7.0,<8.0"
     sphinx8: pip install -U "sphinx>=8.0,<9.0"
-    sphinxdev: pip install -U "git+https://repo.or.cz/docutils.git#egg=docutils&subdirectory=docutils"
-    sphinxdev: pip install -U "git+https://github.com/sphinx-doc/sphinx"
+    sphinxdev: pip install -U git+https://github.com/docutils/docutils.git
+    sphinxdev: pip install -U git+https://github.com/sphinx-doc/sphinx
     pip freeze --all --no-input
     pytest -vvv -r a --pyargs ablog
     make tests
@@ -48,33 +47,3 @@ changedir = docs
 description = Invoke sphinx-build to check linkcheck works
 commands =
     sphinx-build --color -W --keep-going -b linkcheck . _build/html {posargs}
-
-# Requires tox-conda
-[testenv:py{39,310,311}-conda]
-extras =
-deps =
-conda_deps =
-    alabaster
-    docutils
-    feedgen
-    graphviz
-    invoke
-    make
-    myst-parser
-    nbsphinx
-    packaging
-    pandoc
-    pip
-    pytest
-    python-dateutil
-    setuptools
-    setuptools-scm
-    sphinx
-    sphinx-automodapi
-    watchdog
-conda_channels = conda-forge
-install_command = pip install --no-deps --no-build-isolation {opts} {packages}
-commands =
-    conda list
-    pytest -vvv -r a --pyargs ablog
-    make tests