diff --git a/crates/rpc/rpc/src/eth/api/transactions.rs b/crates/rpc/rpc/src/eth/api/transactions.rs
index 8829a0434..2846ec950 100644
--- a/crates/rpc/rpc/src/eth/api/transactions.rs
+++ b/crates/rpc/rpc/src/eth/api/transactions.rs
@@ -52,6 +52,7 @@ use crate::eth::revm_utils::FillableTransaction;
 #[cfg(feature = "optimism")]
 use reth_rpc_types::OptimismTransactionReceiptFields;
 use revm_primitives::db::{Database, DatabaseRef};
+use revm_primitives::WASM_MAX_CODE_SIZE;
 
 /// Helper alias type for the state's [`CacheDB`]
 pub(crate) type StateCacheDB = CacheDB<StateProviderDatabase<StateProviderBox>>;
@@ -1072,6 +1073,7 @@ where
         R: Send + 'static,
     {
         let (cfg, block_env, at) = self.evm_env_at(at).await?;
+        cfg.limit_contract_code_size = Some(WASM_MAX_CODE_SIZE);
         let this = self.clone();
         self.inner
             .blocking_task_pool
diff --git a/crates/transaction-pool/src/validate/constants.rs b/crates/transaction-pool/src/validate/constants.rs
index 489677057..bc039dd5a 100644
--- a/crates/transaction-pool/src/validate/constants.rs
+++ b/crates/transaction-pool/src/validate/constants.rs
@@ -9,10 +9,10 @@ pub const TX_SLOT_BYTE_SIZE: usize = 32 * 1024;
 /// more expensive to propagate; larger transactions also take more resources
 /// to validate whether they fit into the pool or not. Default is 4 times [`TX_SLOT_BYTE_SIZE`],
 /// which defaults to 32 KiB, so 128 KiB.
-pub const DEFAULT_MAX_TX_INPUT_BYTES: usize = 4 * TX_SLOT_BYTE_SIZE; // 128KB
+pub const DEFAULT_MAX_TX_INPUT_BYTES: usize = 4 * TX_SLOT_BYTE_SIZE * 8; // 1MB
 
 /// Maximum bytecode to permit for a contract.
-pub const MAX_CODE_BYTE_SIZE: usize = 24576;
+pub const MAX_CODE_BYTE_SIZE: usize = 0x100000; // 1MB
 
 /// Maximum initcode to permit in a creation transaction and create instructions.
 pub const MAX_INIT_CODE_BYTE_SIZE: usize = 2 * MAX_CODE_BYTE_SIZE;
diff --git a/examples/exex/rollup/src/execution.rs b/examples/exex/rollup/src/execution.rs
index e1fcfb5c4..a1dfb8411 100644
--- a/examples/exex/rollup/src/execution.rs
+++ b/examples/exex/rollup/src/execution.rs
@@ -2,6 +2,7 @@ use crate::{db::Database, RollupContract, CHAIN_ID, CHAIN_SPEC};
 use alloy_consensus::{Blob, SidecarCoder, SimpleCoder};
 use alloy_rlp::Decodable as _;
 use eyre::OptionExt;
+use reth::primitives::revm_primitives::WASM_MAX_CODE_SIZE;
 use reth::transaction_pool::TransactionPool;
 use reth_execution_errors::BlockValidationError;
 use reth_node_api::{ConfigureEvm, ConfigureEvmEnv};
@@ -114,6 +115,7 @@ fn configure_evm<'a>(
         header,
         U256::ZERO,
     );
+    cfg.cfg_env.limit_contract_code_size = Some(WASM_MAX_CODE_SIZE);
     *evm.cfg_mut() = cfg.cfg_env;
 
     evm