diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c64d1776..5f8fffd6 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,7 +13,7 @@ concurrency:
 jobs:
   lint:
     name: Lint
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     steps:
     - name: Repository checkout
       uses: actions/checkout@v4
@@ -23,16 +23,38 @@ jobs:
 
     - name: Install dependencies
       run: |
-        pip install --upgrade pip tox
+        python3 -m venv venv
+        . ./venv/bin/activate
+        ./venv/bin/pip install --require-virtualenv --upgrade pip tox
 
     - name: Lint Python files
       run: |
+        . ./venv/bin/activate
         tox -e lint
 
     - name: Typecheck Python files
       run: |
+        . ./venv/bin/activate
         tox -e check
 
+  unit-tests:
+    name: Unit tests
+    runs-on: ubuntu-24.04
+    steps:
+    - name: Repository checkout
+      uses: actions/checkout@v4
+
+    - name: Install dependencies
+      run: |
+        python3 -m venv venv
+        . ./venv/bin/activate
+        ./venv/bin/pip install --require-virtualenv --upgrade pip tox
+
+    - name: Run unit tests
+      run: |
+        . ./venv/bin/activate
+        tox -e unit
+
   tests:
     name: Tests
     strategy:
@@ -65,30 +87,17 @@ jobs:
     - name: Install dependencies
       run: |
         set -x
-        pip install --upgrade pip tox codecov
+        python3 -m venv venv
+        . ./venv/bin/activate
+        ./venv/bin/pip install --require-virtualenv --upgrade pip tox codecov
 
     - name: Coverage
       run: |
+        . ./venv/bin/activate
         tox -e coverage
         codecov
 
     - name: Integration
       run: |
+        . ./venv/bin/activate
         integration/run-integration-tests
-
-  publish:
-    name: Publish
-    runs-on: ubuntu-22.04
-    if: startsWith(github.event.ref, 'refs/tags')
-
-    permissions:
-      contents: write
-    steps:
-    - uses: actions/checkout@v4
-
-    - name: Create Release
-      uses: ncipollo/release-action@v1
-      with:
-        token: ${{ secrets.GITHUB_TOKEN }}
-        name: Release ${{ github.ref }}
-        generateReleaseNotes: true
diff --git a/setup.cfg b/setup.cfg
index 4d225589..2e00ae6c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -28,7 +28,7 @@ install_requires =
 testing =
     ddt >= 0.7.0
     mock-services >= 0.3
-    pytest-cov == 5.0.0
+    pytest-cov >= 5.0.0
     pytest >= 6.1.2
     # mock-services is old and unmaintained. Doesn't work with newer versions
     # of requests-mock. Thus, we have to pin it down.
@@ -37,9 +37,9 @@ testing =
     # but mock-services depends on it for `pkg_resources`
     setuptools
 format =
-    black == 24.8.0
-    flake8 >= 2.5.0
-    isort == 5.13.2
+    black
+    flake8
+    isort
 check =
     mypy
 doc =
@@ -48,7 +48,7 @@ doc =
 [flake8]
 show-source = True
 ignore = E203, E266, E501, W503, W504
-exclude = .git, .tox, dist, doc, *egg, build
+exclude = .git, .tox, dist, doc, *egg, build, venv
 
 [mypy]
 ignore_missing_imports = True
@@ -67,10 +67,10 @@ upload-dir = doc/build/html
 
 [tox:tox]
 minversion = 1.6
-envlist = lint,check,coverage
+envlist = lint,check,coverage,format,integration,intregration-in-lxd,migration,unit
 skipsdist = True
 
-[testenv]
+[testenv:unit]
 usedevelop = True
 setenv =
     PYLXD_WARNINGS=none
@@ -81,6 +81,8 @@ commands =
 
 [testenv:integration]
 passenv = LXD_*
+deps =
+    .[testing]
 commands =
     pytest integration {posargs}