diff --git a/pyproject.toml b/pyproject.toml
index 4240d73..464f771 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,13 +30,16 @@ test = [
 
 [build-system]
 requires = [
-    "setuptools >= 65",
-    "setuptools-scm >= 8.0.0",
+    "hatchling",
+    "hatch-vcs",
 ]
-build-backend = "setuptools.build_meta"
+build-backend = "hatchling.build"
 
-[tool.setuptools_scm]
-version_file = "src/simplesimdb/_version.py"
+[tool.hatch.build]
+include = ["simplesimdb.py"]
+
+[tool.hatch.version]
+source = "vcs"
 
 [tool.ruff.lint]
 select = [
diff --git a/src/simplesimdb/__init__.py b/simplesimdb.py
similarity index 99%
rename from src/simplesimdb/__init__.py
rename to simplesimdb.py
index 63b8f1d..bdf89c3 100644
--- a/src/simplesimdb/__init__.py
+++ b/simplesimdb.py
@@ -9,7 +9,7 @@
 from importlib.metadata import PackageNotFoundError, version
 
 with suppress(PackageNotFoundError):
-    __version__ = version(__package__)
+    __version__ = version("simplesimdb")
 
 
 class Repeater:
diff --git a/tests/test_simplesimdb.py b/test_simplesimdb.py
similarity index 100%
rename from tests/test_simplesimdb.py
rename to test_simplesimdb.py