diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f7960316..67e52488e 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
 
+## [v0.3.0](https://github.com/allenai/OLMo/releases/tag/v0.3.0) - 2024-04-25
+
 ### Added
 
 - Added support for Grouped Query Attention.