diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
new file mode 100644
index 0000000..c1000db
--- /dev/null
+++ b/.github/workflows/docs.yml
@@ -0,0 +1,46 @@
+name: Docs
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: '0 12 * * 0'  # run once a week on Sunday
+  # Allows running this workflow manually from the Actions tab
+  workflow_dispatch:
+
+env:
+  FORCE_COLOR: 1
+
+jobs:
+  tests:
+    name: Docs
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python 3.13
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.13
+
+      - name: Get pip cache dir
+        id: pip-cache
+        run: |
+          echo "::set-output name=dir::$(pip cache dir)"
+
+      - name: Cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.pip-cache.outputs.dir }}
+          key:
+            docs-v1-${{ hashFiles('**/pyproject.toml') }}
+          restore-keys: |
+            docs-v1-
+
+      - name: Install dependencies
+        run: |
+          python -m pip install -U pip tox
+
+      - name: Docs
+        run: |
+          tox -e docs
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 3d1f84a..f8863a8 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -23,7 +23,7 @@ jobs:
             ~/.cache/pip
             ~/.cache/pre-commit
           key:
-            lint-v1-${{ hashFiles('**/setup.py') }}-${{ hashFiles('**/.pre-commit-config.yaml') }}
+            lint-v1-${{ hashFiles('**/pyproject.toml') }}-${{ hashFiles('**/.pre-commit-config.yaml') }}
           restore-keys: |
             lint-v1-
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 44306cc..2396266 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -53,7 +53,7 @@ jobs:
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key:
-            ${{ matrix.os }}-${{ matrix.python-version }}-${{ matrix.pytest-version }}-v1-${{ hashFiles('**/setup.py') }}
+            ${{ matrix.os }}-${{ matrix.python-version }}-${{ matrix.pytest-version }}-v1-${{ hashFiles('**/pyproject.toml') }}
           restore-keys: |
             ${{ matrix.os }}-${{ matrix.python-version }}-${{ matrix.pytest-version }}-v1-