diff --git a/UPGRADING.md b/UPGRADING.md
index 32bd56d..0b22de4 100644
--- a/UPGRADING.md
+++ b/UPGRADING.md
@@ -11,7 +11,7 @@ Ordered newest first. "Embedder" means anything that builds on the engine
 beyond the `droste` CLI: hosts calling `run_rlm` in-process, `droste_runner`
 consumers, and Pyodide-substrate integrations staging the Deno relay.
 
-## Unreleased (post-0.21.1)
+## 0.22.0
 
 ### Trace ABI v7 publishes answer-state checkpoints
 
diff --git a/pyproject.toml b/pyproject.toml
index 6abbd33..45ff88f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "droste"
-version = "0.21.1"
+version = "0.22.0"
 description = "Recursive analysis engine for data too large for a context window, built with Recursive Language Models (RLMs)"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/uv.lock b/uv.lock
index 3aece60..02f1ec8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -562,7 +562,7 @@ wheels = [
 
 [[package]]
 name = "droste"
-version = "0.21.1"
+version = "0.22.0"
 source = { editable = "." }
 
 [package.optional-dependencies]