diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6cd7ca8..0a5f12d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.3.0] - 2026-05-15
 
 ### Added
 
@@ -38,6 +38,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Initial release.
 
-[Unreleased]: https://github.com/climateimpactlab/isku/compare/v0.2.0...HEAD
+[0.3.0]: https://github.com/climateimpactlab/isku/compare/v0.2.0...v0.3.0
 [0.2.0]: https://github.com/climateimpactlab/isku/compare/v0.1.0...v0.2.0
 [0.1.0]: https://github.com/climateimpactlab/isku/releases/tag/v0.1.0
diff --git a/pyproject.toml b/pyproject.toml
index 91f316d..f342ca2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "isku"
-version = "0.2.0"
+version = "0.3.0"
 description = "Minimalist Python + xarray-based climate impact projection framework for researchers with little time."
 readme = "README.md"
 authors = [{ name = "Brewster Malevich", email = "bmalevich@rhg.com" }]
diff --git a/uv.lock b/uv.lock
index 788cefa..f7bc835 100644
--- a/uv.lock
+++ b/uv.lock
@@ -156,7 +156,7 @@ wheels = [
 
 [[package]]
 name = "isku"
-version = "0.2.0"
+version = "0.3.0"
 source = { editable = "." }
 dependencies = [
     { name = "xarray" },