diff --git a/src/rln_contract.ts b/src/rln_contract.ts
index 8096604..58091e9 100644
--- a/src/rln_contract.ts
+++ b/src/rln_contract.ts
@@ -63,7 +63,7 @@ export class RLNContract {
       RLN_REGISTRY_ABI,
       provider
     );
-    this.merkleRootTracker = new MerkleRootTracker(10000, initialRoot);
+    this.merkleRootTracker = new MerkleRootTracker(5, initialRoot);
   }
 
   private async initStorageContract(