diff --git a/.github/workflows/hatch.yml b/.github/workflows/hatch.yml
index 52ce4b9..1e50bae 100644
--- a/.github/workflows/hatch.yml
+++ b/.github/workflows/hatch.yml
@@ -3,6 +3,9 @@ on:
   push:
     paths:
       - 'hatch-demo/**'
+defaults:
+  run:
+    working-directory: ./hatch-demo
 
 jobs:
   test:
@@ -15,6 +18,8 @@ jobs:
           python-version: '3.12'
       - name: Install Hatch
         uses: pypa/hatch@install
+      - name: Build package
+        run: hatch build
       - name: Lint
         run: hatch run dev:check
       - name: Run tests
diff --git a/hatch-demo/README.md b/hatch-demo/README.md
index 105f4c8..4d513a6 100644
--- a/hatch-demo/README.md
+++ b/hatch-demo/README.md
@@ -99,7 +99,17 @@ run = "python src/hatch_demo/demo.py"
 $ hatch run default:run
 ```
 
+13. Add [hatch-based GH workflow](../.github/workflows/hatch.yml) to check linting and run tests
+
 ## Notes
 
-* Not sure how to install the project so that it can called like `python -m hatch_demo`
-* Not sure how to call the entrypoint scripts
\ No newline at end of file
+* ~~Not sure how to install the project so that it can called like `python -m hatch_demo`~~
+  - You can run it from the `hatch` env like: `hatch run dev:python -m hatch_demo`
+  - You can install it from source and call it:
+    ```bash
+    $ uv venv
+    $ uv pip install .
+    $ source .venv/bin/activate
+    $ python -m hatch_demo
+    ```
+* Not sure how to call the entrypoint scripts
diff --git a/hatch-demo/pyproject.toml b/hatch-demo/pyproject.toml
index 1c8d7aa..17479a1 100644
--- a/hatch-demo/pyproject.toml
+++ b/hatch-demo/pyproject.toml
@@ -20,7 +20,10 @@ classifiers = [
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
 ]
-dependencies = []
+dependencies = [
+  "polars",
+  "requests"
+]
 
 [project.urls]
 Source = "https://github.com/davidkun/hatch-vs-poetry-vs-rye"
diff --git a/hatch-demo/src/hatch_demo/__main__.py b/hatch-demo/src/hatch_demo/__main__.py
index c70a4b8..bbc952e 100644
--- a/hatch-demo/src/hatch_demo/__main__.py
+++ b/hatch-demo/src/hatch_demo/__main__.py
@@ -1,4 +1,4 @@
-from demo import main
+from .demo import main
 
 if __name__ == "__main__":
     main()