diff --git a/src/backend/revoker/expiredInventory.ts b/src/backend/revoker/expiredInventory.ts
index 1e4024006..d59402a4c 100644
--- a/src/backend/revoker/expiredInventory.ts
+++ b/src/backend/revoker/expiredInventory.ts
@@ -5,7 +5,7 @@ import { AttestationInfo } from './scanAttestations';
 import { shouldBeRemoved } from './shouldBeExpired';
 import { batchQueryRevoked } from './batchQueryRevoked';
 
-const SCAN_INTERVAL_MS = 24 * 60 * 60 * 1000;
+const SCAN_INTERVAL_MS = 60 * 60 * 1000;
 
 export const attestationsToRevoke: AttestationInfo[] = [];
 export const attestationsToRemove: AttestationInfo[] = [];
diff --git a/src/backend/revoker/subScan.ts b/src/backend/revoker/subScan.ts
index d63f2bbe0..58c23127b 100644
--- a/src/backend/revoker/subScan.ts
+++ b/src/backend/revoker/subScan.ts
@@ -10,7 +10,7 @@ const { subscan } = configuration;
 
 const SUBSCAN_MAX_ROWS = 100;
 const QUERY_INTERVAL_MS = 1000;
-const BLOCK_RANGE_SIZE = 100_000;
+const BLOCK_RANGE_SIZE = 10_000;
 
 const subscanAPI = `https://${subscan.network}.api.subscan.io`;
 const eventsListURL = `${subscanAPI}/api/v2/scan/events`;