7a27e00eb40be0171b5d3fd8618b0d3fffeca552
diff --git a/src/c21_app.ts b/src/c21_app.ts
index b19f97fcbf40fa37efb61f8feb3c9be16b38e3a0..09f8016c77a04ce7913fa892f61961a106e090b0 100644
--- a/src/c21_app.ts
+++ b/src/c21_app.ts
@@ -346,6 +346,13 @@ ${url("https://tdd.md/leaderboard", "0.7")}
     },
   }),
 
+  "/og.png": new Response(Bun.file("./public/og.png"), {
+    headers: {
+      "Content-Type": "image/png",
+      "Cache-Control": "public, max-age=3600",
+    },
+  }),
+
   "/games": htmlResponse(GAMES_INDEX_HTML),
 
   "/blog": async () => {