diff --git a/apps/desktop/scripts/ci/plan-r2-release-asset-prune.mjs b/apps/desktop/scripts/ci/plan-r2-release-asset-prune.mjs
index 25a57510..c7bac457 100644
--- a/apps/desktop/scripts/ci/plan-r2-release-asset-prune.mjs
+++ b/apps/desktop/scripts/ci/plan-r2-release-asset-prune.mjs
@@ -9,6 +9,7 @@ import {
     githubRepositoryFromProduct,
     isDownloadAssetName,
     relativeUpdatePath,
+    versionFromAssetName,
 } from '../update-release-assets.mjs';
 
 const GITHUB_API_BASE_URL = 'https://api.github.com';
@@ -52,6 +53,10 @@ function githubHeaders(token) {
     return headers;
 }
 
+function releaseVersionFromTag(tagName) {
+    return String(tagName ?? '').replace(/^v/u, '');
+}
+
 async function fetchGithubReleases(repository, fetchImpl, token) {
     const releases = [];
     for (let page = 1; page <= MAX_RELEASE_PAGES; page += 1) {
@@ -102,9 +107,14 @@ export async function planR2ReleaseAssetPrune(projectRoot, channel, options = {}
     const keys = [];
 
     for (const release of staleReleases) {
+        const releaseVersion = releaseVersionFromTag(release?.tag_name);
         for (const asset of release.assets ?? []) {
             const fileName = asset?.name;
-            if (!isDownloadAssetName(fileName) || channelFromAssetName(fileName) !== channel) {
+            if (
+                !isDownloadAssetName(fileName) ||
+                channelFromAssetName(fileName) !== channel ||
+                versionFromAssetName(fileName) !== releaseVersion
+            ) {
                 continue;
             }
             keys.push(`${updatePath}/${fileName}`);
diff --git a/apps/desktop/tests/ci/plan-r2-release-asset-prune.test.ts b/apps/desktop/tests/ci/plan-r2-release-asset-prune.test.ts
index bd5673d5..8b15be95 100644
--- a/apps/desktop/tests/ci/plan-r2-release-asset-prune.test.ts
+++ b/apps/desktop/tests/ci/plan-r2-release-asset-prune.test.ts
@@ -70,6 +70,7 @@ describe('planR2ReleaseAssetPrune', () => {
                     release('v0.2.0-beta.2', '2026-05-22T00:00:00Z', [
                         'TouchAI-beta-0.2.0-beta.2-windows-full.nupkg',
                         'TouchAI-beta-0.2.0-beta.2-windows-delta.nupkg',
+                        'TouchAI-beta-0.2.0-beta.20-windows-full.nupkg',
                         'release-notes.md',
                     ]),
                     release('v0.2.0', '2026-05-21T00:00:00Z', ['TouchAI-0.2.0-windows-full.nupkg']),