diff --git a/lib/protocol/policy.js b/lib/protocol/policy.js
index 8a3652c3..00dc8c32 100644
--- a/lib/protocol/policy.js
+++ b/lib/protocol/policy.js
@@ -145,7 +145,7 @@ exports.MAX_P2WSH_SIZE = 3600;
  * @default
  */
 
-exports.MEMPOOL_MAX_ANCESTORS = 25;
+exports.MEMPOOL_MAX_ANCESTORS = 1250;
 
 /**
  * Default maximum mempool size in bytes.