diff --git a/CHANGELOG.md b/CHANGELOG.md
index a25648e..0f94e02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.22.0](https://github.com/praxagent/teamwork/compare/v0.21.0...v0.22.0) (2026-07-30)
+
+
+### Features
+
+* **graphs:** cost badge on trace detail — tokens tooltip, hidden when cost unknown (never $0.00) ([#61](https://github.com/praxagent/teamwork/issues/61)) ([c7ee522](https://github.com/praxagent/teamwork/commit/c7ee52221208fb557bb3449a7da883e5d28a9c1b))
+
 ## [0.21.0](https://github.com/praxagent/teamwork/compare/v0.20.0...v0.21.0) (2026-07-26)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index e1254c0..6870c81 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "teamwork"
-version = "0.21.0"
+version = "0.22.0"
 description = "Agent-agnostic collaboration shell — Slack-like web UI for AI agent teams"
 readme = "README.md"
 license = "AGPL-3.0"
diff --git a/src/teamwork/__init__.py b/src/teamwork/__init__.py
index 5e0af6e..26ee3b3 100644
--- a/src/teamwork/__init__.py
+++ b/src/teamwork/__init__.py
@@ -1,5 +1,5 @@
 """TeamWork — agent-agnostic collaboration shell for AI teams."""
-__version__ = "0.21.0"
+__version__ = "0.22.0"
 
 def create_app():
     """Create and return the configured FastAPI application."""