diff --git a/server.js b/server.js
index 6a98c4b..85713e0 100755
--- a/server.js
+++ b/server.js
@@ -13,7 +13,7 @@ import { fileURLToPath } from 'url';
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
 const geotiffCache = new LRUCache({
-  max: 10 // most geotiffs to cache in memory at once
+  max: 5 // most geotiffs to cache in memory at once
 });
 const inflightPromises = {};
 const app = express();