diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 775ec16..50df175 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -33,13 +33,59 @@ jobs:
         run: |
           flake8
 
+  build:
+    name: "Build and check distributions"
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python 3.13
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+      - name: Install build tools
+        run: |
+          python -m pip install --upgrade pip
+          pip install build twine
+      - name: Build sdist and wheel
+        run: python -m build
+      - name: Check distributions
+        run: twine check --strict dist/*
+
+  docs:
+    name: "Build documentation"
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python 3.13
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r doc/requirements.txt
+      - name: Build HTML docs
+        run: sphinx-build -W --keep-going -b html doc doc/_build/html
+
   test:
     needs: [ lint ]
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14" ]
+        os: [ ubuntu-latest ]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14", "pypy3.10", "pypy3.11" ]
+        include:
+          - os: windows-latest
+            python-version: "3.13"
+          - os: macos-latest
+            python-version: "3.13"
 
     steps:
       - uses: actions/checkout@v4
@@ -55,14 +101,15 @@ jobs:
 
       - name: Test
         run: |
-          make coverage
+          coverage run --source=jsonpointer -m unittest
+          coverage report -m
           coverage lcov
 
       - name: Upload coverage to Coveralls
         uses: coverallsapp/github-action@8d6379e14d29928660c4ba802d8e85393440b329 # v2.3.8
         with:
           file: coverage.lcov
-          flag-name: python-${{ matrix.python-version }}
+          flag-name: ${{ matrix.os }}-python-${{ matrix.python-version }}
           parallel: true
 
   coveralls:
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 57ba54a..a11f336 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -17,6 +17,6 @@ sphinx:
 
 # We recommend specifying your dependencies to enable reproducible builds:
 # https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
-# python:
-#   install:
-#   - requirements: docs/requirements.txt
+python:
+  install:
+  - requirements: doc/requirements.txt
diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 0000000..6966869
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1 @@
+sphinx
diff --git a/setup.cfg b/setup.cfg
index 4b36d81..1dcd460 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,3 +1,4 @@
 [flake8]
 max-line-length = 120
+filename = *.py,./bin/jsonpointer
 exclude = .git,.tox,dist,doc,*egg,build,.venv
\ No newline at end of file