diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 52f486b..aa41ebb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,22 +3,13 @@ name: CI
 on: [pull_request, workflow_dispatch]
 
 jobs:
-#  pre-commit:
-#    name: Run pre-commit
-#    runs-on: ubuntu-latest
-#    steps:
-#    - uses: actions/checkout@v3
-#    - uses: actions/setup-python@v3
-#    - uses: pre-commit/action@v3.0.0
-
   test:
     name: Tests for Python ${{ matrix.python-version }}
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10']
+        python-version: [ "3.10" ]
       fail-fast: false
-#    needs: pre-commit
 
     steps:
       - uses: actions/checkout@v3
@@ -31,6 +22,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install -e .
+          pip install -r requirements-dev.txt
 
       - name: Run tests
         run: |
diff --git a/INSTALL.md b/INSTALL.md
index 842fca8..d5c7f7d 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -19,17 +19,33 @@ python3 -m pip install -U pip wheel setuptools
 ```
 
 
-## install the Jupyter kernel
+## install
 
 ```bash
+python3 -m pip install -e .
 python3 -m bwyd.install
 ```
 
 
-## uninstall the Jupyter kernel
+## uninstall
 
 ```bash
 ./venv/bin/jupyter kernelspec uninstall bwyd
+python3 -m pip uninstall bwyd
+```
+
+
+## set up the developer environment
+
+```bash
+python3 -m pip install -r requirements-dev.txt
+```
+
+
+## run unit tests
+
+```bash
+python3 -m pytest
 ```
 
 
@@ -44,3 +60,5 @@ python3 -m bwyd.install
   - `demo.py`: Python demo app
   - `examples/gnocchi.bwyd`: example Gnocchi recipe in Bwyd, as a script
   - `examples/gnocchi.ipynb`: example Gnocchi recipe in Bwyd, as a Jupyter notebook
+
+  - `tests/*.py`: unit tests
diff --git a/MANIFEST.in b/MANIFEST.in
index 1fc678c..1dcc2b6 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -5,7 +5,9 @@ include bwyd/kernel.json
 include bwyd/*.py
 include pyproject.toml
 include requirements.txt
+include requirements-dev.txt
 include setup.py
+include tests/*
 prune .ipynb_checkpoints
 prune docs
 prune venv
diff --git a/pyproject.toml b/pyproject.toml
index 908e774..d13d0b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,8 +31,9 @@ readme = "README.md"
 license = { file = "LICENSE" }
 requires-python = ">=3.10"
 
+description = "The seed crazy idea behind the scenes here is to consider how human cooks behave somewhat like robots, following recipes as instructions."
+
 dynamic = [
-    "description",
     "version"
 ]
 
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 0000000..27bb3ad
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,2 @@
+deepdiff >= 6.7
+pytest >= 8.0