diff --git a/crates/mem-pool/src/constants.rs b/crates/mem-pool/src/constants.rs
index f8ca651e9..f9b9486ad 100644
--- a/crates/mem-pool/src/constants.rs
+++ b/crates/mem-pool/src/constants.rs
@@ -3,7 +3,7 @@ pub const MAX_MEM_BLOCK_DEPOSITS: usize = 50;
 /// MAX withdrawals in the mem block
 pub const MAX_MEM_BLOCK_WITHDRAWALS: usize = 50;
 /// MAX withdrawals in the mem block
-pub const MAX_MEM_BLOCK_TXS: usize = 1000;
+pub const MAX_MEM_BLOCK_TXS: usize = 2000;
 /// MIN CKB deposit capacity, calculated from custodian cell size
 pub const MIN_CKB_DEPOSIT_CAPACITY: u64 = 298_00000000;
 /// MIN Simple UDT deposit capacity, calculated from custodian cell size + simple UDT script