diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 02272a3..c959aa1 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "sci-figures",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Nature-style research figures and their legends: message and outline first, then layout, visual conventions, export to one PDF per figure with editable Arial text, legend writing and independent layout and legend reviews. Ships a skill and the scifig Python package.",
   "author": {
     "name": "quadbio"
diff --git a/README.md b/README.md
index 02daac0..6bc60c8 100644
--- a/README.md
+++ b/README.md
@@ -50,9 +50,8 @@ For live package edits in a figure repo, depend on the checkout instead:
 
 ## Release
 
-Bump `version` in both `pyproject.toml` and `.claude-plugin/plugin.json` and the pin in
-`skills/sci-figures/references/setup.md` (tests check they agree), tag `vX.Y.Z`, then bump the `ref` in
-[quadbio/claude-plugins](https://github.com/quadbio/claude-plugins).
+Bump `version` in `.claude-plugin/plugin.json` and merge: the marketplace follows `main`, and users update when the
+version changes.
 
 ## License
 
diff --git a/pyproject.toml b/pyproject.toml
index e318f09..7b01d0c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,6 @@ requires = [ "hatchling" ]
 
 [project]
 name = "scifig"
-version = "0.2.0"
 description = "Style, mm layout, recurring elements and export for Nature-style research figures with editable text."
 readme = "README.md"
 license = "MIT"
@@ -16,6 +15,7 @@ classifiers = [
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
 ]
+dynamic = [ "version" ]
 dependencies = [ "matplotlib>=3.8" ]
 optional-dependencies.examples = [ "anndata", "pyyaml", "scanpy>=1.10" ]
 optional-dependencies.spatial-examples = [
@@ -36,6 +36,8 @@ urls.Source = "https://github.com/quadbio/sci-figures"
 dev = [ "pre-commit", "pytest" ]
 
 [tool.hatch]
+version.path = ".claude-plugin/plugin.json"
+version.pattern = '"version": "(?P<version>[^"]+)"'
 build.targets.wheel.packages = [ "src/scifig" ]
 
 [tool.ruff]
diff --git a/skills/sci-figures/references/setup.md b/skills/sci-figures/references/setup.md
index 16c9045..fb70b4b 100644
--- a/skills/sci-figures/references/setup.md
+++ b/skills/sci-figures/references/setup.md
@@ -3,12 +3,12 @@
 The machine steps (Arial, TeX) are once per machine. If one needs rights or software you don't have, tell the user.
 
 ## scifig
-In the figure repo's `pixi.toml`:
+In the figure repo's `pixi.toml` (its lock pins the commit):
 ```toml
 [pypi-dependencies]
-scifig = { git = "https://github.com/quadbio/sci-figures", tag = "v0.2.0" }
+scifig = { git = "https://github.com/quadbio/sci-figures" }
 ```
-With uv: `uv add "scifig @ git+https://github.com/quadbio/sci-figures@v0.2.0"`. For live edits to scifig, depend on a
+With uv: `uv add "scifig @ git+https://github.com/quadbio/sci-figures"`. For live edits to scifig, depend on a
 checkout instead: `scifig = { path = "../sci-figures", editable = true }`.
 
 ## Figure conventions
diff --git a/tests/test_plugin.py b/tests/test_plugin.py
deleted file mode 100644
index e22ca77..0000000
--- a/tests/test_plugin.py
+++ /dev/null
@@ -1,19 +0,0 @@
-"""The plugin manifest and the Python package describe the same release."""
-
-import json
-import tomllib
-from pathlib import Path
-
-ROOT = Path(__file__).parents[1]
-
-
-def test_versions_agree():
-    plugin = json.loads((ROOT / ".claude-plugin" / "plugin.json").read_text())
-    package = tomllib.loads((ROOT / "pyproject.toml").read_text())["project"]
-    assert plugin["version"] == package["version"]
-
-
-def test_setup_pins_this_release():
-    version = tomllib.loads((ROOT / "pyproject.toml").read_text())["project"]["version"]
-    setup = (ROOT / "skills" / "sci-figures" / "references" / "setup.md").read_text()
-    assert f'tag = "v{version}"' in setup and f"sci-figures@v{version}" in setup
diff --git a/uv.lock b/uv.lock
index 448055d..2c0fa73 100644
--- a/uv.lock
+++ b/uv.lock
@@ -3365,7 +3365,6 @@ wheels = [
 
 [[package]]
 name = "scifig"
-version = "0.2.0"
 source = { editable = "." }
 dependencies = [
     { name = "matplotlib" },