diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5cb410c..8c6080a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -49,23 +49,22 @@ jobs:
         run: pre-commit run --all-files
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v1
         with:
-          python-version: 3.8
-      - name: Store installed Python version
-        run: |
-          echo "::set-env name=PY_VERSION::"\
-          "$(python -c "import platform;print(platform.python_version())")"
+          python-version: ${{ matrix.python-version }}
       - name: Cache pip test requirements
         uses: actions/cache@v1
         with:
           path: ${{ env.PIP_CACHE_DIR }}
-          key: "${{ runner.os }}-pip-test-py${{ env.PY_VERSION }}-\
+          key: "${{ runner.os }}-pip-test-py${{ matrix.python-version }}-\
             ${{ hashFiles('**/requirements-test.txt') }}"
           restore-keys: |
-            ${{ runner.os }}-pip-test-py${{ env.PY_VERSION }}-
+            ${{ runner.os }}-pip-test-py${{ matrix.python-version }}-
             ${{ runner.os }}-pip-test-
             ${{ runner.os }}-pip-
       - name: Install dependencies
@@ -84,6 +83,38 @@ jobs:
   build:
     runs-on: ubuntu-latest
     needs: [lint, test]
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8]
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Cache pip build requirements
+        uses: actions/cache@v1
+        with:
+          path: ${{ env.PIP_CACHE_DIR }}
+          key: "${{ runner.os }}-pip-build-py${{ matrix.python-version }}-\
+            ${{ hashFiles('**/requirements.txt') }}"
+          restore-keys: |
+            ${{ runner.os }}-pip-build-py${{ matrix.python-version }}-
+            ${{ runner.os }}-pip-build-
+            ${{ runner.os }}-pip-
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip wheel
+          pip install --upgrade --requirement requirements.txt
+      - name: Build artifacts
+        run: python3 setup.py sdist bdist_wheel
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v1
+        with:
+          name: dist-${{ matrix.python-version }}
+          path: dist
+  build_lambda:
+    runs-on: ubuntu-latest
+    needs: build
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v1