diff --git a/docs/about/changelog.md b/docs/about/changelog.md
index b8886ff..9b41995 100644
--- a/docs/about/changelog.md
+++ b/docs/about/changelog.md
@@ -5,7 +5,7 @@ All notable changes to querygym will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.3.0] - 2026-10-04
 
 ### Added
 - `BaseReformulator.effective_params()`: method parameters that identify a run's configuration
@@ -128,7 +128,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Export to TSV/JSONL formats
 - Script generation for Pyserini + trec_eval
 
-[Unreleased]: https://github.com/ls3-lab/QueryGym/compare/v0.2.0...HEAD
+[Unreleased]: https://github.com/ls3-lab/QueryGym/compare/v0.3.0...HEAD
+[0.3.0]: https://github.com/ls3-lab/QueryGym/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/ls3-lab/QueryGym/compare/v0.1.6...v0.2.0
 [0.1.6]: https://github.com/ls3-lab/QueryGym/compare/v0.1.5...v0.1.6
 [0.1.5]: https://github.com/ls3-lab/QueryGym/compare/v0.1.4...v0.1.5
diff --git a/pyproject.toml b/pyproject.toml
index 3839148..5dfdde7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "querygym"
-version = "0.2.0"
+version = "0.3.0"
 description = "LLM-based Query Reformulation Toolkit"
 readme = "README.md"
 requires-python = ">=3.9"
diff --git a/querygym/__init__.py b/querygym/__init__.py
index 3a9125f..6f2ca52 100644
--- a/querygym/__init__.py
+++ b/querygym/__init__.py
@@ -11,7 +11,7 @@
     result = reformulator.reformulate(qg.QueryItem("q1", "what causes diabetes"))
 """
 
-__version__ = "0.1.0"
+__version__ = "0.3.0"
 
 # Core data structures
 from .core.base import QueryItem, ReformulationResult, MethodConfig, BaseReformulator