diff --git a/Sources/SolanaSwift/BlockchainClient/Helpers/Borsh/BorshSerialize.swift b/Sources/SolanaSwift/BlockchainClient/Helpers/Borsh/BorshSerialize.swift
index 1031b0aa7..3f0b037ff 100644
--- a/Sources/SolanaSwift/BlockchainClient/Helpers/Borsh/BorshSerialize.swift
+++ b/Sources/SolanaSwift/BlockchainClient/Helpers/Borsh/BorshSerialize.swift
@@ -44,7 +44,7 @@ extension Bool: BorshSerializable {
     }
 }
 
-extension Optional where Wrapped: BorshSerializable {
+public extension Optional where Wrapped: BorshSerializable {
     func serialize(to writer: inout Data) throws {
         switch self {
         case let .some(value):