diff --git a/README.md b/README.md
index 0fdeca2..f04df75 100644
--- a/README.md
+++ b/README.md
@@ -98,9 +98,10 @@ Use images to complement your responses, powered by Brave.
 
 ## Caching
 
-- Images are cached for **30 days**
+- Images are cached for **90 days**
 - After expiry, the next request triggers a fresh search
 - Images are stored in their original format as fetched from source
+- A matching R2 lifecycle rule deletes stored objects after 90 days
 
 ## Support
 
@@ -169,9 +170,11 @@ Fork this repo, connect to Cloudflare Pages, deploy.
 
 **Key:** `<sha256-of-normalized-query>` — derived from query, no lookup needed. Stored with original content type from source.
 
+Add an object lifecycle rule in **R2 → direct-img-store → Settings** that applies to all prefixes and deletes uploaded objects after **90 days**. This removes expired objects even when their query is never requested again.
+
 ### KV: `DIRECT_IMG_CACHE`
 
-**Key:** normalized query (lowercase, trimmed, max 200 chars) → **Value:** `{"t":1719000000,"ct":"image/jpeg"}` — **TTL:** 30 days
+**Key:** normalized query (lowercase, trimmed, max 200 chars) → **Value:** `{"t":1719000000,"ct":"image/jpeg"}` — **TTL:** 90 days
 
 ### Database: `SurrealDB` (Rate Limiting)
 
diff --git a/functions/[[path]].js b/functions/[[path]].js
index 3add4d5..a088e63 100644
--- a/functions/[[path]].js
+++ b/functions/[[path]].js
@@ -1,6 +1,8 @@
 import { braveImageSearch } from "./_utils/brave.js";
 import { bingImageSearchFallback } from "./_utils/bing.js";
 
+const TTL_SECONDS = 90 * 24 * 60 * 60;
+
 export async function onRequest(context) {
   const { request, env, params } = context;
   const url = new URL(request.url);
@@ -28,7 +30,7 @@ export async function onRequest(context) {
     const obj = await env.R2_IMAGES.get(r2Key);
     if (obj) {
       const nowSec = Math.floor(Date.now() / 1000);
-      const remainingSec = Math.max(0, (cached.t + 5184000) - nowSec);
+      const remainingSec = Math.max(0, (cached.t + TTL_SECONDS) - nowSec);
       return new Response(obj.body, { headers: imageHeaders(cached.ct, remainingSec * 1000) });
     }
   }
@@ -184,7 +186,6 @@ export async function onRequest(context) {
   const { buffer: imgBuffer, contentType: finalContentType } = imgResult;
   await env.R2_IMAGES.put(r2Key, imgBuffer, { httpMetadata: { contentType: finalContentType } });
 
-  const TTL_SECONDS = 5184000;
   await env.DIRECT_IMG_CACHE.put(cacheKey, JSON.stringify({ t: Math.floor(Date.now() / 1000), ct: finalContentType }), { expirationTtl: TTL_SECONDS });
 
   return new Response(imgBuffer, { headers: imageHeaders(finalContentType, TTL_SECONDS * 1000) });