diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index df62af4..f6aa589 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -20,6 +20,7 @@
                 "mosapride.zenkaku",
                 "ms-azuretools.vscode-docker",
                 "ms-python.python",
+                "ms-python.vscode-pylance",
                 "njpwerner.autodocstring",
                 "redhat.vscode-yaml",
                 "shardulm94.trailing-spaces",
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index a4ca668..e45d391 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -8,6 +8,7 @@
         "mosapride.zenkaku",
         "ms-azuretools.vscode-docker",
         "ms-python.python",
+        "ms-python.vscode-pylance",
         "ms-vscode-remote.remote-containers",
         "njpwerner.autodocstring",
         "oderwat.indent-rainbow",
diff --git a/README.md b/README.md
index 8355bfc..59d1bdf 100644
--- a/README.md
+++ b/README.md
@@ -189,7 +189,7 @@ uv add {libraries}
 │   │    └── type.py
 │   ├── trace/
 │   │    ├── __init__.py
-│   │    └── time.py
+│   │    └── timer.py
 │   └── __init__.py
 ├── .dockerignore
 ├── .env.local
diff --git a/docs/guides/tools/logger.md b/docs/guides/tools/logger.md
index 081e83f..9ba5f56 100644
--- a/docs/guides/tools/logger.md
+++ b/docs/guides/tools/logger.md
@@ -1,5 +1,5 @@
 ```python
-from tools.logger import Logger
+from tools import Logger
 
 
 def main() -> None:
diff --git a/docs/index.md b/docs/index.md
index 76d0367..2597768 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,7 +1,8 @@
 # Welcome to python-uv
 
 ## What is python-uv?
-This repository contains configurations to set up a Python development environment using VSCode's Dev Container feature. The environment includes uv and Ruff.
+This repository contains configurations to set up a Python development environment using VSCode's Dev Container feature.
+The environment includes uv and Ruff.
 
 <img align="center" src="img/ruff.gif">
 
@@ -45,7 +46,7 @@ This repository contains configurations to set up a Python development environme
     │   │    └── type.py
     │   ├── trace/
     │   │    ├── __init__.py
-    │   │    └── time.py
+    │   │    └── timer.py
     │   └── __init__.py
     ├── .dockerignore
     ├── .env.local
diff --git a/pyproject.toml b/pyproject.toml
index 6f7b192..1c6edf4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,3 +25,10 @@ dev-dependencies = [
     "pytest-cov>=6.0.0",
     "ruff>=0.9.2",
 ]
+
+[tool.hatch.build.targets.wheel]
+packages = ["tools"]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
diff --git a/tools/__init__.py b/tools/__init__.py
index 688ed87..2dbd3da 100644
--- a/tools/__init__.py
+++ b/tools/__init__.py
@@ -1 +1,7 @@
 """Tools."""
+
+from tools.logger import Logger
+
+__all__ = [
+    "Logger",
+]
diff --git a/tools/trace/timer.py b/tools/trace/timer.py
index 2ab220c..50ad710 100644
--- a/tools/trace/timer.py
+++ b/tools/trace/timer.py
@@ -45,7 +45,7 @@ def __exit__(self, *exc: object) -> None:
         """Run when exit ContextManager or Decoraotr."""
         self.end = time.time()
 
-        from tools.logger import Logger
+        from tools import Logger
 
         logger = Logger(self.name)
         logger.debug("executed in %f ms", self._duration * 1_000)
diff --git a/uv.lock b/uv.lock
index 52359da..882bd84 100644
--- a/uv.lock
+++ b/uv.lock
@@ -245,7 +245,7 @@ toml = [
 [[package]]
 name = "default"
 version = "0.1.0"
-source = { virtual = "." }
+source = { editable = "." }
 dependencies = [
     { name = "google-cloud-logging" },
     { name = "pydantic" },