diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3cba804..3f79221 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0] - 2026-03-31
+
 ### Fixed
 - **Homebrew command construction (P0)**: `get_all_homebrew_casks()` now uses
   `brew info --json=v2 --eval-all --cask` via `run_command_secure()` (argv list,
diff --git a/TODO.md b/TODO.md
index e22ae54..ca19121 100644
--- a/TODO.md
+++ b/TODO.md
@@ -4,7 +4,7 @@
 
 ### Project Health
 
-- **Version**: 0.9.0 (beta — stabilisation in progress)
+- **Version**: 1.0.0 (stable)
 - **Tests**: 2,158 passing, 15 skipped
 - **Coverage**: ~78% overall
 - **CI/CD**: All workflows passing on master (all green)
@@ -169,7 +169,7 @@ For detailed strategic planning see `docs/future_roadmap.md`.
 ### Advanced Contributions
 
 - MacPorts integration
-- P3: Lazy config initialisation
+- Coverage push toward 85% (currently ~83.5%)
 
 ---
 
diff --git a/pyproject.toml b/pyproject.toml
index 5c4055c..d8ae42b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "macversiontracker"
-version = "0.9.0"
+version = "1.0.0"
 description = "A command-line tool for tracking and managing applications installed outside of the Mac App Store"
 readme = "README.md"
 license = "MIT"
@@ -14,7 +14,7 @@ authors = [
 ]
 keywords = ["macos", "homebrew", "version", "tracking", "updates", "cask"]
 classifiers = [
-    "Development Status :: 4 - Beta",
+    "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
     "Intended Audience :: System Administrators",
     "Intended Audience :: End Users/Desktop",
diff --git a/versiontracker/__init__.py b/versiontracker/__init__.py
index f828838..c49d420 100644
--- a/versiontracker/__init__.py
+++ b/versiontracker/__init__.py
@@ -6,7 +6,7 @@
 
 from typing import Any
 
-__version__ = "0.9.0"
+__version__ = "1.0.0"
 
 from versiontracker.config import Config, get_config
 from versiontracker.exceptions import (