diff --git a/packages/rpc-core/src/bundle.ts b/packages/rpc-core/src/bundle.ts
index 702f22b43a6..72e99f0aff2 100644
--- a/packages/rpc-core/src/bundle.ts
+++ b/packages/rpc-core/src/bundle.ts
@@ -123,7 +123,7 @@ export class RpcCore {
 
     // these are the base keys (i.e. part of jsonrpc)
     this.sections.push(...sectionNames);
-    this.#storageCache = new LRUCache(DEFAULT_CAPACITY);
+    this.#storageCache = new LRUCache(DEFAULT_CAPACITY * 10 * 10);
     // decorate all interfaces, defined and user on this instance
     this.addUserInterfaces(userRpc);
   }
diff --git a/packages/rpc-provider/src/lru.ts b/packages/rpc-provider/src/lru.ts
index 0a6927ef1d7..dc042ed5358 100644
--- a/packages/rpc-provider/src/lru.ts
+++ b/packages/rpc-provider/src/lru.ts
@@ -5,7 +5,7 @@
 // cache space (depending on the historic queries this would vary, metadata
 // for Kusama/Polkadot/Substrate falls between 600-750K, 2x for estimate)
 
-export const DEFAULT_CAPACITY = 64;
+export const DEFAULT_CAPACITY = 1024;
 
 class LRUNode {
   readonly key: string;