diff --git a/CHANGELOG.md b/CHANGELOG.md
index d9cefd1..3d42863 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,16 @@ All notable changes to The Scheduler will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [1.0.1] - 2025-12-14
+
+### Changed
+- **Version tracking now uses pyproject.toml** as single source of truth
+  - Added `pyproject.toml` with project metadata and dependencies
+  - `config.py` reads version from pyproject.toml using `tomllib`
+  - FastAPI app title and version dynamically loaded from config
+  - Health endpoint now includes version in response
+  - Dockerfile updated to include pyproject.toml
+
 ## [1.0.0] - 2025-12-07
 
 ### Added
diff --git a/Dockerfile b/Dockerfile
index 6d1b211..3a8faa3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Copy application
 COPY src/ ./src/
 COPY setup_database.sql .
+COPY pyproject.toml .
 
 # Configure git
 RUN git config --global user.name "The Librarian" && \
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..9f8797b
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,45 @@
+[project]
+name = "the-scheduler"
+version = "1.0.1"
+description = "System-wide maintenance orchestration - backups, doc mirroring, cleanup, task automation"
+readme = "README.md"
+requires-python = ">=3.12"
+dependencies = [
+    # FastAPI ecosystem
+    "fastapi~=0.124.0",
+    "uvicorn[standard]~=0.38.0",
+    "pydantic~=2.12.5",
+    "pydantic-settings~=2.7.0",
+    # Task scheduling
+    "apscheduler~=3.11.1",
+    "sqlalchemy~=2.0.36",
+    # Database
+    "psycopg2-binary~=2.9.11",
+    "redis~=5.2.0",
+    # HTTP client
+    "httpx~=0.28.1",
+    # Web scraping (for doc mirroring)
+    "scrapy~=2.12.0",
+    "beautifulsoup4~=4.12.3",
+    "lxml~=5.1.0",
+    # Git operations
+    "gitpython~=3.1.43",
+    # Security/Auth
+    "python-jose[cryptography]~=3.3.0",
+]
+
+[project.optional-dependencies]
+test = [
+    "pytest~=8.3.4",
+    "pytest-asyncio~=0.25.2",
+    "pytest-cov~=6.0.0",
+    "freezegun~=1.5.1",
+]
+
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["src*"]
diff --git a/src/config.py b/src/config.py
index 0b24ba3..b2276c8 100644
--- a/src/config.py
+++ b/src/config.py
@@ -2,17 +2,37 @@
 Configuration management for The Scheduler.
 Uses Pydantic BaseSettings for type-safe environment variable loading.
 """
+import tomllib
 from functools import lru_cache
+from pathlib import Path
 from pydantic_settings import BaseSettings
 from pydantic import Field
 
 
+def _get_version_from_pyproject() -> tuple[str, str, str]:
+    """Read version info from pyproject.toml."""
+    pyproject_path = Path(__file__).parent.parent / "pyproject.toml"
+    if pyproject_path.exists():
+        with open(pyproject_path, "rb") as f:
+            data = tomllib.load(f)
+            project = data.get("project", {})
+            return (
+                project.get("name", "the-scheduler"),
+                project.get("version", "0.0.0"),
+                project.get("description", ""),
+            )
+    return ("the-scheduler", "0.0.0", "")
+
+
+_PROJECT_NAME, _PROJECT_VERSION, _PROJECT_DESCRIPTION = _get_version_from_pyproject()
+
+
 class Settings(BaseSettings):
     """Application settings loaded from environment variables."""
 
     # Application
-    app_name: str = Field(default="The Scheduler", alias="APP_NAME")
-    app_version: str = Field(default="1.0.0", alias="APP_VERSION")
+    app_name: str = Field(default=_PROJECT_NAME, alias="APP_NAME")
+    app_version: str = Field(default=_PROJECT_VERSION, alias="APP_VERSION")
     debug: bool = Field(default=False, alias="DEBUG")
     host: str = Field(default="0.0.0.0", alias="HOST")
     port: int = Field(default=8090, alias="PORT")
diff --git a/src/main.py b/src/main.py
index 086c888..e5fae36 100644
--- a/src/main.py
+++ b/src/main.py
@@ -102,9 +102,10 @@ async def lifespan(app: FastAPI):
 
 
 # FastAPI app
+settings = get_settings()
 app = FastAPI(
-    title="The Scheduler",
-    version="1.0.0",
+    title=settings.app_name,
+    version=settings.app_version,
     description="System-wide maintenance orchestration - backups, doc mirroring, cleanup, task automation",
     lifespan=lifespan
 )
@@ -134,6 +135,7 @@ async def health(
     """Health check endpoint."""
     return {
         "status": "healthy",
+        "version": settings.app_version,
         "scheduler_running": sched.running,
         "jobs_count": len(sched.get_jobs()),
         "database": settings.postgres_db