diff --git a/src/extractor/YouTube.ts b/src/extractor/YouTube.ts
index a8bed36..b156db4 100644
--- a/src/extractor/YouTube.ts
+++ b/src/extractor/YouTube.ts
@@ -6,6 +6,8 @@ export class YouTube extends Extractor {
 
   public readonly label = 'YouTube';
 
+  public override readonly ttl: number = 21600000; // 6h
+
   public supports(_ctx: Context, url: URL): boolean {
     return null !== url.host.match(/youtube/) && url.searchParams.has('v');
   }
diff --git a/src/extractor/__snapshots__/YouTube.test.ts.snap b/src/extractor/__snapshots__/YouTube.test.ts.snap
index 2c9371a..3cd0e42 100644
--- a/src/extractor/__snapshots__/YouTube.test.ts.snap
+++ b/src/extractor/__snapshots__/YouTube.test.ts.snap
@@ -12,7 +12,7 @@ exports[`YouTube Solaris 1`] = `
       "title": "Solaris | SCIENCE FICTION | FULL MOVIE | directed by Tarkovsky",
     },
     "sourceId": "youtube_en",
-    "ttl": 900000,
+    "ttl": 21600000,
     "url": "https://www.youtube.com/watch?v=Z8ZhQPaw4rE",
     "ytId": "Z8ZhQPaw4rE",
   },