diff --git a/src/servers/sidecar/music/indexer.ts b/src/servers/sidecar/music/indexer.ts
index 63b7ad5f..e53a64d4 100644
--- a/src/servers/sidecar/music/indexer.ts
+++ b/src/servers/sidecar/music/indexer.ts
@@ -34,6 +34,11 @@ const COVER_FILES = ['folder.jpg', 'cover.jpg', 'folder.png', 'cover.png'];
 const DISCO_FILE = '_discography.md';
 const TRACK_CONCURRENCY = 6;
 const COVER_MAX_PX = 600;
+// Cache-format version. Bump when the build produces NEW per-album outputs (so far: v2 added video
+// posters + lyrics). A manifest written by an older CACHE_VERSION forces a one-time FULL rebuild — the
+// per-album `v` skip only applies once the cache is already at the current format.
+//   v1 → initial (meta + cover)   v2 → + posters/ + lyrics/
+const CACHE_VERSION = 2;
 
 // ── Types (meta.json matches the app's IndexMeta/IndexTrack) ──
 
@@ -445,7 +450,7 @@ export async function buildMusicIndex(): Promise<IndexStatus> {
   console.log('[music] resync started');
 
   const prev = await loadManifest();
-  const next: Manifest = { version: 1, generatedAt: status.startedAt!, albums: {} };
+  const next: Manifest = { version: CACHE_VERSION, generatedAt: status.startedAt!, albums: {} };
 
   try {
     await mkdir(CACHE_ROOT, { recursive: true });
@@ -584,7 +589,10 @@ async function walk(dirAbs: string, prev: Manifest, next: Manifest): Promise<voi
     ].filter((f): f is string => f !== null);
     const outputsExist = expected.every((f) => existsSync(join(cacheDir, f)));
 
-    if (prev.albums[rel]?.v === v && outputsExist) {
+    // Only trust the per-album `v` skip once the cache is already at the current format — an older
+    // CACHE_VERSION means new outputs (posters/lyrics) may be missing, so rebuild every folder once.
+    const formatCurrent = prev.version === CACHE_VERSION;
+    if (formatCurrent && prev.albums[rel]?.v === v && outputsExist) {
       status.albumsSkipped += 1;
     } else {
       await mkdir(cacheDir, { recursive: true });