diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d998cfa..0ce5e98 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -499,11 +499,12 @@ jobs:
             -o wasm3
     - name: Test
       run: ./build/wasm3 ./test/wasi/test.wasm
+
   build-python:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
+        python-version: [ 3.5, 3.6, 3.7, 3.8 ]
 
     steps:
     - uses: actions/checkout@v2
@@ -511,9 +512,11 @@ jobs:
       uses: actions/setup-python@v1
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Build python module
+    - name: Build Python module
       run: |
-        pip install .
+        cd platforms/python
+        python setup.py sdist
+        pip install ./dist/wasm3-*.tar.gz
     - name: Test with pytest
       run: |
         pip install pytest
diff --git a/platforms/python/.gitignore b/platforms/python/.gitignore
new file mode 100644
index 0000000..445f32f
--- /dev/null
+++ b/platforms/python/.gitignore
@@ -0,0 +1,2 @@
+dist/
+wasm3.egg-info/
diff --git a/platforms/python/MANIFEST.in b/platforms/python/MANIFEST.in
new file mode 100644
index 0000000..a5bebad
--- /dev/null
+++ b/platforms/python/MANIFEST.in
@@ -0,0 +1 @@
+graft m3/
diff --git a/platforms/python/m3 b/platforms/python/m3
new file mode 120000
index 0000000..5d0a190
--- /dev/null
+++ b/platforms/python/m3
@@ -0,0 +1 @@
+../../source
\ No newline at end of file
diff --git a/setup.py b/platforms/python/setup.py
similarity index 60%
rename from setup.py
rename to platforms/python/setup.py
index 25b5d46..221d1a9 100644
--- a/setup.py
+++ b/platforms/python/setup.py
@@ -2,12 +2,12 @@ from setuptools import setup
 from distutils.core import Extension
 from glob import glob
 
-SOURCES = glob('source/*.c') + ['platforms/python/m3module.c']
+SOURCES = glob('m3/*.c') + ['m3module.c']
 
 setup(
     name='wasm3',
     version='0.0.1',
     ext_modules=[
-        Extension('m3', sources=SOURCES, include_dirs=['source'],
+        Extension('m3', sources=SOURCES, include_dirs=['m3'],
         extra_compile_args=['-g', '-O0'])]
-)
\ No newline at end of file
+)