diff --git a/Makefile b/Makefile
index 99e6dcc..a19f5bc 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ build:
 	pyproject-build
 
 clean:
-	rm -rf dist build pyswip.egg-info src/pyswip.egg-info/
+	rm -rf dist build pyswip.egg-info src/pyswip.egg-info
 
 coverage:
 	PYTHONPATH=src py.test tests --verbose --cov=pyswip
diff --git a/pyproject.toml b/pyproject.toml
index fb169ed..c5f9ff2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,8 @@ markers = [
 ]
 
 [tool.setuptools.package-data]
-"pyswip" = ["py.typed"]
+pyswip = ["py.typed"]
+"pyswip.examples" = ["*.pl"]
 
 [tool.setuptools.packages.find]
 where = ["src"]