diff --git a/pyproject.toml b/pyproject.toml
index 2221bfd..a3dff38 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,9 +45,8 @@ dev = [
 [project.scripts]
 memory = "memory_manager.cli.main:cli"
 
-[tool.setuptools]
-packages = ["memory_manager"]
-package-dir = {"" = "src"}
+[tool.setuptools.packages.find]
+where = ["src"]
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]