diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 4d1b949d2..000000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 49b518fda..cf9ee389d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -113,6 +113,32 @@ jobs:
           name: dist
           path: target/wheels/*
 
+  build-sdist:
+    needs: [generate-license]
+    name: Source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: rm LICENSE.txt
+      - name: Download LICENSE.txt
+        uses: actions/download-artifact@v2
+        with:
+          name: python-wheel-license
+          path: .
+      - run: cat LICENSE.txt
+      - name: Build sdist
+        run: |
+          docker run --rm -v $(pwd):/io \
+            --workdir /io \
+            ghcr.io/pyo3/maturin:v0.14.2 \
+            build --release --sdist --locked
+          find target/wheels/
+      - name: Archive wheels
+        uses: actions/upload-artifact@v2
+        with:
+          name: dist
+          path: target/wheels/*
+
   # NOTE: PyPI publish needs to be done manually for now after release passed the vote
   # release:
   #   name: Publish in PyPI
diff --git a/pyproject.toml b/pyproject.toml
index f4f73bbf6..4617613cd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,4 +55,9 @@ repository = "https://github.com/apache/arrow-datafusion-python"
 profile = "black"
 
 [tool.maturin]
-sdist-include = ["Cargo.lock"]
+include = [
+    { path = "Cargo.lock", format = "sdist" }
+]
+exclude = [".github/**", "ci/**", ".asf.yaml"]
+# Require Cargo.lock is up to date
+locked = true