diff --git a/src/index.ts b/src/index.ts
index fe6382f..cf635a2 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -79,7 +79,7 @@ const sdkConfig = initialize({ env: process.env.ENV });
 
 const stateCommitment: Commitment = 'confirmed';
 const serverPort = process.env.PORT || 6969;
-export const ORDERBOOK_UPDATE_INTERVAL = 1000;
+export const ORDERBOOK_UPDATE_INTERVAL = 500;
 const WS_FALLBACK_FETCH_INTERVAL = ORDERBOOK_UPDATE_INTERVAL * 60;
 const useWebsocket = process.env.USE_WEBSOCKET?.toLowerCase() === 'true';
 const hermesUrl = process.env.HERMES_ENDPOINT;
diff --git a/src/publishers/dlobPublisher.ts b/src/publishers/dlobPublisher.ts
index 7416f71..89c9242 100644
--- a/src/publishers/dlobPublisher.ts
+++ b/src/publishers/dlobPublisher.ts
@@ -110,7 +110,7 @@ const useOrderSubscriber =
 	process.env.USE_ORDER_SUBSCRIBER?.toLowerCase() === 'true';
 
 const ORDERBOOK_UPDATE_INTERVAL =
-	parseInt(process.env.ORDERBOOK_UPDATE_INTERVAL) || 1000;
+	parseInt(process.env.ORDERBOOK_UPDATE_INTERVAL) || 500;
 const WS_FALLBACK_FETCH_INTERVAL = 60_000;
 
 const KILLSWITCH_SLOT_DIFF_THRESHOLD =