diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5ec1568..4ac5673 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,55 +42,18 @@ jobs:
       # (e.g. - apt-get: gettext, etc; pip: circuitpython-build-tools, requirements.txt; etc.)
       run: |
         source actions-ci/install.sh
-    - name: Pip install Sphinx, pre-commit
-      run: |
-        pip install --force-reinstall Sphinx sphinx-rtd-theme pre-commit sphinx-autoapi
     - name: Library version
       run: git describe --dirty --always --tags
-    - name: Setup problem matchers
-      uses: adafruit/circuitpython-action-library-ci-problem-matchers@v1
-    - name: Pre-commit hooks
+    - name: Perform build & test
       run: |
-        pre-commit run --all-files
-    - name: Clone and build circuitpython unix port
-      run: |
-        set -e
-        [ -e circuitpython/py/py.mk ] || (git clone --depth=1 https://github.com/adafruit/circuitpython && cd circuitpython && git fetch --tags --recurse-submodules=no --shallow-since="2021-07-01" https://github.com/adafruit/circuitpython HEAD)
-        [ -e circuitpython/lib/libffi/autogen.sh ] || (cd circuitpython && git submodule update --init lib/libffi lib/axtls lib/berkeley-db-1.xx tools/huffman lib/uzlib extmod/ulab)
-        [ -x circuitpython/ports/unix/micropython ] || (
-            make -C circuitpython/mpy-cross -j$(nproc)
-            make -C circuitpython/ports/unix -j$(nproc) deplibs
-            make -C circuitpython/ports/unix -j$(nproc) DEBUG=1 STRIP=:
-        )
-    - name: Unit Test
-      run: |
-        python -m jepler_udecimal.test
-        if ! env MICROPYPATH=. PYTHONPATH=. MICROPY_MICROPYTHON=circuitpython/ports/unix/micropython circuitpython/tests/run-tests.py -d examples; then
-            for exp in *.exp; do
-                testbase=$(basename $exp .exp);
-                echo -e "\nFAILURE $testbase";
-                diff -u $testbase.exp $testbase.out;
-            done
-            exit 1
-        fi
-    - name: Build assets
-      run: circuitpython-build-bundles --package_folder_prefix jepler --filename_prefix ${{ steps.repo-name.outputs.repo-name }} --library_location .
-    - name: Build docs
-      working-directory: docs
-      run: sphinx-build -E -W -b html . _build/html
+        ./build.sh
     - name: Archive bundles
       uses: actions/upload-artifact@v2
       with:
         name: bundles
         path: ${{ github.workspace }}/bundles/
-    - name: Check For setup.py
-      id: need-pypi
-      run: |
-        echo ::set-output name=setup-py::$( find . -wholename './setup.py' )
-    - name: Build Python package
-      if: contains(steps.need-pypi.outputs.setup-py, 'setup.py')
-      run: |
-        pip install --upgrade setuptools wheel twine readme_renderer testresources
-        python setup.py sdist
-        python setup.py bdist_wheel --universal
-        twine check dist/*
+    - name: Archive docs
+      uses: actions/upload-artifact@v2
+      with:
+        name: docs
+        path: ${{ github.workspace }}/_build/html
diff --git a/build.sh b/build.sh
index 9d4dc37..a314d47 100755
--- a/build.sh
+++ b/build.sh
@@ -9,17 +9,12 @@ echo "=== Create and set up virtual environment"
 . .env/bin/activate
 echo "=== Install requirements"
 pip3 install wheel
-pip3 install -r requirements.txt
+pip3 install -r requirements_dev.txt
 echo "=== Run pre-commit"
 pre-commit run --all-files
-echo "=== Run pylint"
-pylint jepler_udecimal
-if [ -d examples ]; then
-    pylint --disable=missing-docstring,invalid-name,bad-whitespace examples
-fi
 
 echo "=== Clone and build circuitpython unix port"
-[ -e circuitpython/py/py.mk ] || git clone --depth=1 https://github.com/adafruit/circuitpython
+[ -e circuitpython/py/py.mk ] || git clone --shallow-since=2021-07-01 https://github.com/adafruit/circuitpython
 [ -e circuitpython/lib/libffi/autogen.sh ] || (cd circuitpython && git submodule update --init lib/libffi lib/axtls lib/berkeley-db-1.xx tools/huffman lib/uzlib extmod/ulab)
 [ -x circuitpython/ports/unix/micropython ] || (
 make -C circuitpython/mpy-cross -j$(nproc)
@@ -30,12 +25,14 @@ make -C circuitpython/ports/unix -j$(nproc) DEBUG=1 STRIP=:
 echo "=== Run tests"
 python -m jepler_udecimal.test
 
-if ! env MICROPYPATH=. PYTHONPATH=. MICROPY_MICROPYTHON=circuitpython/ports/unix/micropython circuitpython/tests/run-tests -d examples; then
-    for exp in *.exp; do
-        testbase=$(basename $exp .exp);
-        echo -e "\nFAILURE $testbase";
-        diff -u $testbase.exp $testbase.out;
-    done
+run-tests () {
+    env MICROPYPATH=. PYTHONPATH=. MICROPY_MICROPYTHON=circuitpython/ports/unix/micropython circuitpython/tests/run-tests.py "$@"
+}
+
+run-tests --clean-failures
+if ! run-tests -d examples; then
+    run-tests --print-failures
+    exit 1
 fi
 
 PYTHONPATH=. python examples/test_udecimal.py > test_udecimal.exp
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 82911ac..7913ee8 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@
 # SPDX-License-Identifier: MIT
 pre-commit
 recommonmark==0.6.0
-sphinx<4
+sphinx
 sphinx-autoapi
 sphinxcontrib-svg2pdfconverter==0.1.0
 sphinx-rtd-theme