diff --git a/requirements-test.txt b/requirements-test.txt
index 0a6d7d6..1d0a5a4 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,2 +1,2 @@
+--editable .[test]
 --requirement requirements.txt
--e .[test]
diff --git a/src/example/__main__.py b/src/example/__main__.py
new file mode 100644
index 0000000..11a3238
--- /dev/null
+++ b/src/example/__main__.py
@@ -0,0 +1,5 @@
+"""Code to run if this package is used as a Python module."""
+
+from .example import main
+
+main()