diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 218393f..f1c1e58 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.4.1"
+  ".": "0.5.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8668a7e..7791723 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,13 @@ The format follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and
 
 ---
 
+## [0.5.0](https://github.com/DEVtheOPS/opencode-plugin-otel/compare/v0.4.1...v0.5.0) (2026-03-21)
+
+
+### Features
+
+* **handlers:** add agent usage metrics and sub-agent tracking ([2d12f88](https://github.com/DEVtheOPS/opencode-plugin-otel/commit/2d12f8846425075c4d8aac1573ac6e488bf868c3))
+
 ## [0.4.1](https://github.com/DEVtheOPS/opencode-plugin-otel/compare/v0.4.0...v0.4.1) (2026-03-16)
 
 
@@ -21,8 +28,6 @@ The format follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and
 ### Features
 
 * **config:** add OPENCODE_DISABLE_METRICS to suppress individual metrics ([8ec7c48](https://github.com/DEVtheOPS/opencode-plugin-otel/commit/8ec7c486d102921829a26d1f377df6aa20d988ad))
-* **config:** add OPENCODE_DISABLE_METRICS to suppress individual metrics ([2df1376](https://github.com/DEVtheOPS/opencode-plugin-otel/commit/2df13762a406040cca464caa5b6b7866bbcc516d))
-
 
 ### Bug Fixes
 
diff --git a/package.json b/package.json
index d4f9d66..e80a617 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@devtheops/opencode-plugin-otel",
-  "version": "0.4.1",
+  "version": "0.5.0",
   "description": "OpenTelemetry telemetry plugin for opencode CLI",
   "keywords": [
     "opentelemetry",