diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
new file mode 100644
index 0000000..cdca500
--- /dev/null
+++ b/.github/workflows/cd.yml
@@ -0,0 +1,46 @@
+name: CI
+
+on:
+  workflow_dispatch:
+  release:
+    types:
+      - published
+
+concurrency:
+  group: ${ github.workflow }-${ github.ref }
+  cancel-in-progress: true
+
+jobs:
+  dist:
+    name: Distribution build
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: hynek/build-and-inspect-python-package@v2
+
+
+  publish:
+    name: Publish
+    environment: pypi
+    permissions:
+      id-token: write
+      attestations: write
+    needs: [dist]
+    if: github.event_name == 'release' && github.event.action == 'published'
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/download-artifact@v4
+      with:
+        path: dist
+        name: Packages
+
+    - name: Generate artifact attestation for sdist and wheel
+      uses: actions/attest-build-provenance@v1
+      with:
+        subject-path: "dist/uproot_browser-*"
+
+    - uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        attestations: true
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3e2f401..55ad3de 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,18 +35,21 @@ jobs:
       matrix:
         python-version: ["3.8", "3.11"]
         runs-on: [ubuntu-latest, macos-13, windows-latest]
-
         include:
+        - python-version: "3.13"
+          runs-on: ubuntu-latest
+        - python-version: "3.13"
+          runs-on: macos-latest
         - python-version: pypy-3.10
           runs-on: ubuntu-latest
 
-
     steps:
     - uses: actions/checkout@v4
 
     - uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
 
     - uses: astral-sh/setup-uv@v3
 
@@ -57,48 +60,15 @@ jobs:
       run: nox -s tests
 
     - name: Test minimum versions
-      if: matrix.python-version != 'pypy-3.10'
+      if: matrix.python-version != 'pypy-3.10' || matrix.python-version != '3.13'
       run: nox -s minimums
 
   pass:
     if: always()
-    needs: [checks]
+    needs: [pre-commit, checks]
     runs-on: ubuntu-latest
     steps:
       - name: Decide whether the needed jobs succeeded or failed
         uses: re-actors/alls-green@release/v1
         with:
           jobs: ${{ toJSON(needs) }}
-
-  dist:
-    name: Distribution build
-    runs-on: ubuntu-latest
-    needs: [pre-commit]
-
-    steps:
-    - uses: actions/checkout@v4
-    - uses: hynek/build-and-inspect-python-package@v2
-
-
-  publish:
-    name: Publish
-    environment: pypi
-    permissions:
-      id-token: write
-      attestations: write
-    needs: [dist]
-    if: github.event_name == 'release' && github.event.action == 'published'
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/download-artifact@v4
-      with:
-        path: dist
-        name: Packages
-
-    - name: Generate artifact attestation for sdist and wheel
-      uses: actions/attest-build-provenance@v1
-      with:
-        subject-path: "dist/uproot_browser-*"
-
-    - uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/pyproject.toml b/pyproject.toml
index 6bcf368..9433593 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Development Status :: 4 - Beta",
   "Typing :: Typed",
 ]
@@ -79,6 +80,14 @@ uproot-browser = "uproot_browser.__main__:main"
 version.source = "vcs"
 build.hooks.vcs.version-file = "src/uproot_browser/_version.py"
 
+[tool.uv]
+environments = [
+  "python_version >= '3.10'",
+]
+dev-dependencies = [
+  "uproot-browser[test]",
+]
+
 [tool.pytest.ini_options]
 minversion = "6.0"
 addopts = ["-ra", "--showlocals", "--strict-markers", "--strict-config"]
@@ -92,6 +101,7 @@ filterwarnings = [
 log_cli_level = "info"
 testpaths = ["tests"]
 asyncio_mode = "auto"
+asyncio_default_fixture_loop_scope = "function"
 
 
 [tool.mypy]
@@ -99,7 +109,6 @@ files = "src"
 python_version = "3.8"
 warn_unused_configs = true
 strict = true
-show_error_codes = true
 
 [[tool.mypy.overrides]]
 module = ["plotext.*", "awkward.*", "uproot.*", "matplotlib.*"]
@@ -127,8 +136,6 @@ messages_control.disable = [
   "wrong-import-position",  # Handled by Ruff
 ]
 
-[tool.ruff]
-src = ["src"]
 
 [tool.ruff.lint]
 extend-select = [