diff --git a/params/protocol_params.go b/params/protocol_params.go
index 5e2a0632af..88fb80ba60 100644
--- a/params/protocol_params.go
+++ b/params/protocol_params.go
@@ -135,7 +135,7 @@ const (
 	DefaultElasticityMultiplier     = 2          // Bounds the maximum gas limit an EIP-1559 block may have.
 	InitialBaseFee                  = 1000000000 // Initial base fee for EIP-1559 blocks.
 
-	MaxCodeSize     = 24576           // Maximum bytecode to permit for a contract
+	MaxCodeSize     = 65536           // Maximum bytecode to permit for a contract
 	MaxInitCodeSize = 2 * MaxCodeSize // Maximum initcode to permit in a creation transaction and create instructions
 
 	// Precompiled contract gas prices