diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 546a735a..3c9e9483 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -183,14 +183,23 @@ jobs:
         with:
           name: "dist-stim-sdist"
           path: dist/*.tar.gz
-  check_sdist_installs:
+  check_sdist_installs_stim:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v3
-      - run: python -m pip install pybind11~=2.11.1 cibuildwheel~=2.16.2 setuptools wheel
-      - run: python setup.py sdist
-      - run: pip install dist/*.tar.gz
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v3
+    - run: python -m pip install pybind11~=2.11.1 cibuildwheel~=2.16.2 setuptools wheel
+    - run: python setup.py sdist
+    - run: pip install dist/*.tar.gz
+  check_sdist_installs_sinter:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v3
+    - run: python -m pip install setuptools
+    - run: cd glue/sample && python setup.py sdist
+    - run: pip install glue/sample/dist/*
+    - run: python -c "import sinter"
   merge_upload_artifacts:
     needs: ["build_dist", "build_sdist"]
     runs-on: ubuntu-latest
diff --git a/glue/sample/setup.py b/glue/sample/setup.py
index 7fc73a6d..26df217b 100644
--- a/glue/sample/setup.py
+++ b/glue/sample/setup.py
@@ -27,7 +27,7 @@
     author='Craig Gidney',
     author_email='craig.gidney@gmail.com',
     license='Apache 2',
-    packages=['sinter'],
+    packages=['sinter', 'sinter._data', 'sinter._collection', 'sinter._command', 'sinter._decoding'],
     package_dir={'': 'src'},
     description='Samples stim circuits and decodes them using pymatching.',
     long_description=long_description,