diff --git a/pyproject.toml b/pyproject.toml
index 6014f45dc..37a20b2b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,22 +30,26 @@ app = ["pywebview"]
 jupyter = ["jupyterlab"]
 dev = ["pre-commit", "ruff", "pytest"]
 
-
-
-
 [build-system]
-requires = ['setuptools', 'wheel']
-build-backend = 'setuptools.build_meta'
+requires = ["hatchling"]
+build-backend = "hatchling.build"
 
-[tool.setuptools.packages.find]
-where = ["."]
-
-[tool.setuptools.package-data]
+[tool.hatch.build]
+include = [
+  "/src/trame/**/*.py",
+]
 
+[tool.hatch.build.targets.wheel]
+packages = ["src/trame"]
 
 
 [tool.semantic_release]
-version_toml = ["pyproject.toml:project.version"]
+version_toml = [
+    "pyproject.toml:project.version",
+]
+version_variables = [
+    "src/trame/__init__.py:__version__",
+]
 build_command = """
   python -m venv .venv
   source .venv/bin/activate
@@ -53,6 +57,10 @@ build_command = """
   python -m build .
 """
 
+[tool.semantic_release.publish]
+dist_glob_patterns = ["dist/*"]
+upload_to_vcs_release = true
+
 [tool.ruff]
 line-length = 88
 indent-width = 4
@@ -79,15 +87,5 @@ docstring-code-line-length = "dynamic"
 [tool.ruff.lint.pycodestyle]
 max-line-length = 120
 
-
-
-
-[semantic_release.publish]
-dist_glob_patterns = ["dist/*"]
-upload_to_vcs_release = true
-
-
-
-
 [lint.pydocstyle]
 convention = "google"
diff --git a/src/trame/LICENSE b/src/trame/LICENSE
new file mode 100644
index 000000000..30cff7403
--- /dev/null
+++ b/src/trame/LICENSE
@@ -0,0 +1 @@
+../../LICENSE
\ No newline at end of file
diff --git a/trame/__init__.py b/src/trame/__init__.py
similarity index 100%
rename from trame/__init__.py
rename to src/trame/__init__.py
diff --git a/trame/app/__init__.py b/src/trame/app/__init__.py
similarity index 100%
rename from trame/app/__init__.py
rename to src/trame/app/__init__.py
diff --git a/trame/app/asynchronous.py b/src/trame/app/asynchronous.py
similarity index 100%
rename from trame/app/asynchronous.py
rename to src/trame/app/asynchronous.py
diff --git a/trame/app/core.py b/src/trame/app/core.py
similarity index 100%
rename from trame/app/core.py
rename to src/trame/app/core.py
diff --git a/trame/app/demo.py b/src/trame/app/demo.py
similarity index 100%
rename from trame/app/demo.py
rename to src/trame/app/demo.py
diff --git a/trame/app/dev.py b/src/trame/app/dev.py
similarity index 100%
rename from trame/app/dev.py
rename to src/trame/app/dev.py
diff --git a/trame/app/file_upload.py b/src/trame/app/file_upload.py
similarity index 100%
rename from trame/app/file_upload.py
rename to src/trame/app/file_upload.py
diff --git a/trame/app/jupyter.py b/src/trame/app/jupyter.py
similarity index 100%
rename from trame/app/jupyter.py
rename to src/trame/app/jupyter.py
diff --git a/trame/app/jupyter_css.py b/src/trame/app/jupyter_css.py
similarity index 100%
rename from trame/app/jupyter_css.py
rename to src/trame/app/jupyter_css.py
diff --git a/trame/app/klass.py b/src/trame/app/klass.py
similarity index 100%
rename from trame/app/klass.py
rename to src/trame/app/klass.py
diff --git a/trame/app/mimetypes.py b/src/trame/app/mimetypes.py
similarity index 100%
rename from trame/app/mimetypes.py
rename to src/trame/app/mimetypes.py
diff --git a/trame/app/pv_demo.py b/src/trame/app/pv_demo.py
similarity index 100%
rename from trame/app/pv_demo.py
rename to src/trame/app/pv_demo.py
diff --git a/trame/app/singleton.py b/src/trame/app/singleton.py
similarity index 100%
rename from trame/app/singleton.py
rename to src/trame/app/singleton.py
diff --git a/trame/app/testing.py b/src/trame/app/testing.py
similarity index 100%
rename from trame/app/testing.py
rename to src/trame/app/testing.py
diff --git a/trame/assets/__init__.py b/src/trame/assets/__init__.py
similarity index 100%
rename from trame/assets/__init__.py
rename to src/trame/assets/__init__.py
diff --git a/trame/assets/local.py b/src/trame/assets/local.py
similarity index 100%
rename from trame/assets/local.py
rename to src/trame/assets/local.py
diff --git a/trame/assets/mimetypes.py b/src/trame/assets/mimetypes.py
similarity index 100%
rename from trame/assets/mimetypes.py
rename to src/trame/assets/mimetypes.py
diff --git a/trame/assets/remote.py b/src/trame/assets/remote.py
similarity index 100%
rename from trame/assets/remote.py
rename to src/trame/assets/remote.py
diff --git a/trame/decorators.py b/src/trame/decorators.py
similarity index 100%
rename from trame/decorators.py
rename to src/trame/decorators.py
diff --git a/trame/env/__init__.py b/src/trame/env/__init__.py
similarity index 100%
rename from trame/env/__init__.py
rename to src/trame/env/__init__.py
diff --git a/trame/env/paraview.py b/src/trame/env/paraview.py
similarity index 100%
rename from trame/env/paraview.py
rename to src/trame/env/paraview.py
diff --git a/trame/env/utils.py b/src/trame/env/utils.py
similarity index 100%
rename from trame/env/utils.py
rename to src/trame/env/utils.py
diff --git a/trame/env/venv.py b/src/trame/env/venv.py
similarity index 100%
rename from trame/env/venv.py
rename to src/trame/env/venv.py
diff --git a/trame/modules/__init__.py b/src/trame/modules/__init__.py
similarity index 100%
rename from trame/modules/__init__.py
rename to src/trame/modules/__init__.py
diff --git a/trame/tools/__init__.py b/src/trame/tools/__init__.py
similarity index 100%
rename from trame/tools/__init__.py
rename to src/trame/tools/__init__.py
diff --git a/trame/tools/app.py b/src/trame/tools/app.py
similarity index 100%
rename from trame/tools/app.py
rename to src/trame/tools/app.py
diff --git a/trame/tools/retry.py b/src/trame/tools/retry.py
similarity index 100%
rename from trame/tools/retry.py
rename to src/trame/tools/retry.py
diff --git a/trame/tools/serve.py b/src/trame/tools/serve.py
similarity index 100%
rename from trame/tools/serve.py
rename to src/trame/tools/serve.py
diff --git a/trame/tools/vtk.py b/src/trame/tools/vtk.py
similarity index 100%
rename from trame/tools/vtk.py
rename to src/trame/tools/vtk.py
diff --git a/trame/tools/widgets/__init__.py b/src/trame/tools/widgets/__init__.py
similarity index 100%
rename from trame/tools/widgets/__init__.py
rename to src/trame/tools/widgets/__init__.py
diff --git a/trame/tools/widgets/__main__.py b/src/trame/tools/widgets/__main__.py
similarity index 100%
rename from trame/tools/widgets/__main__.py
rename to src/trame/tools/widgets/__main__.py
diff --git a/trame/tools/widgets/generator.py b/src/trame/tools/widgets/generator.py
similarity index 100%
rename from trame/tools/widgets/generator.py
rename to src/trame/tools/widgets/generator.py
diff --git a/trame/tools/widgets/sample.yaml b/src/trame/tools/widgets/sample.yaml
similarity index 100%
rename from trame/tools/widgets/sample.yaml
rename to src/trame/tools/widgets/sample.yaml
diff --git a/trame/tools/widgets/utils.py b/src/trame/tools/widgets/utils.py
similarity index 100%
rename from trame/tools/widgets/utils.py
rename to src/trame/tools/widgets/utils.py
diff --git a/trame/tools/www.py b/src/trame/tools/www.py
similarity index 100%
rename from trame/tools/www.py
rename to src/trame/tools/www.py
diff --git a/trame/ui/__init__.py b/src/trame/ui/__init__.py
similarity index 100%
rename from trame/ui/__init__.py
rename to src/trame/ui/__init__.py
diff --git a/trame/utils/__init__.py b/src/trame/utils/__init__.py
similarity index 100%
rename from trame/utils/__init__.py
rename to src/trame/utils/__init__.py
diff --git a/trame/utils/asynchronous.py b/src/trame/utils/asynchronous.py
similarity index 100%
rename from trame/utils/asynchronous.py
rename to src/trame/utils/asynchronous.py
diff --git a/trame/utils/exec.py b/src/trame/utils/exec.py
similarity index 100%
rename from trame/utils/exec.py
rename to src/trame/utils/exec.py
diff --git a/trame/utils/version.py b/src/trame/utils/version.py
similarity index 100%
rename from trame/utils/version.py
rename to src/trame/utils/version.py
diff --git a/trame/widgets/__init__.py b/src/trame/widgets/__init__.py
similarity index 100%
rename from trame/widgets/__init__.py
rename to src/trame/widgets/__init__.py
diff --git a/trame/widgets/helper.py b/src/trame/widgets/helper.py
similarity index 100%
rename from trame/widgets/helper.py
rename to src/trame/widgets/helper.py
diff --git a/trame/LICENSE b/trame/LICENSE
deleted file mode 120000
index ea5b60640..000000000
--- a/trame/LICENSE
+++ /dev/null
@@ -1 +0,0 @@
-../LICENSE
\ No newline at end of file