diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index ff535d1..e40c2f6 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -12,8 +12,7 @@
       "description": "Conventions, guard hooks and a small package for analysis repos where humans (notebooks) and coding agents (scripts) work side by side.",
       "source": {
         "source": "url",
-        "url": "https://github.com/quadbio/analysis-workflow.git",
-        "ref": "v0.2.1"
+        "url": "https://github.com/quadbio/analysis-workflow.git"
       }
     },
     {
@@ -29,8 +28,7 @@
       "description": "Run coding agents on ETH Zurich's Euler cluster: node, allocation, storage rules and your setup at session start; a skill for Slurm jobs, software and data; jobs listed by session.",
       "source": {
         "source": "url",
-        "url": "https://github.com/quadbio/euler-hpc.git",
-        "ref": "v0.2.1"
+        "url": "https://github.com/quadbio/euler-hpc.git"
       }
     },
     {
@@ -38,8 +36,7 @@
       "description": "Nature-style research figures and their legends: outline, layout and visual conventions, export to editable PDFs, legend writing and independent reviews.",
       "source": {
         "source": "url",
-        "url": "https://github.com/quadbio/sci-figures.git",
-        "ref": "v0.2.0"
+        "url": "https://github.com/quadbio/sci-figures.git"
       }
     }
   ]
diff --git a/README.md b/README.md
index fd47901..d4c5fc8 100644
--- a/README.md
+++ b/README.md
@@ -20,5 +20,5 @@ Then turn on updates, which are off by default for marketplaces outside Anthropi
 Marketplaces → quadbio → Enable auto-update ([docs](https://code.claude.com/docs/en/plugins/install#keep-plugins-updated)).
 
 Each plugin lives in its own repository; this one only lists them. A plugin's README opens with what it does
-and its parts, then `Use`, `Install` (pointing here), `Develop`, `Release`. To release a pinned plugin, bump its
-`ref` here.
+and its parts, then `Use`, `Install` (pointing here), `Develop`, `Release`. Entries follow each plugin's `main`: a
+plugin releases by bumping `version` in its `plugin.json`.