diff --git a/manifest.ts b/manifest.ts
index 8699407..926e168 100644
--- a/manifest.ts
+++ b/manifest.ts
@@ -25,7 +25,10 @@ import type { PluginManifest } from '@@/plugins/manifest';
 // the owner and can write to the owner's disk, so it is not a thing to hand out with a drawing tool.
 export const manifest: PluginManifest = {
   publisher: 'officerdev',
-  version: '0.1.0',
+  // The release tag, not semver — `marketplace-sync.ts` publishes what a tag names and the catalogue
+  // compares tags for difference rather than order, so `0.1.0` here would disagree with every other
+  // plugin and with the thing that actually gets published.
+  version: '2026.09.05.01',
   platform: '>=1.0.0',
 
   label: 'Canvas',