diff --git a/pyproject.toml b/pyproject.toml
index 6c852047..741eb4f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,6 @@ Homepage = "http://eclipse.org/paho"
 path = "src/paho/mqtt/__init__.py"
 
 [tool.hatch.build.targets.sdist]
-sources = ["src"]
 include = [
     "src/paho",
     "/examples",
@@ -62,8 +61,7 @@ include = [
 ]
 
 [tool.hatch.build.targets.wheel]
-sources = ["src"]
-include = [
+packages = [
     "src/paho",
 ]