diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2be9c43..0ee8c01 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.2.0"
+  ".": "0.3.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5273d6..d778ea6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [0.3.0](https://github.com/dadadave80/diamond-lib/compare/v0.2.0...v0.3.0) (2026-07-19)
+
+
+### ⚠ BREAKING CHANGES
+
+* Diamond is abstract with no initialize or receive; InitializableLib and ContextLib are removed from src/.
+
+### Code Refactoring
+
+* make Diamond an abstract fallback-only base ([523bf38](https://github.com/dadadave80/diamond-lib/commit/523bf38d860b8fc306bf7bf91639da981ba7e99a))
+
 ## [0.2.0](https://github.com/dadadave80/diamond-lib/compare/v0.1.4...v0.2.0) (2026-07-10)