diff --git a/api/src/sdk.rs b/api/src/sdk.rs
index dcf1ed8..0a5d0f3 100644
--- a/api/src/sdk.rs
+++ b/api/src/sdk.rs
@@ -200,6 +200,7 @@ pub fn swap(
             AccountMeta::new_readonly(spl_token::ID, false),
             AccountMeta::new_readonly(spl_associated_token_account::ID, false),
             AccountMeta::new_readonly(crate::ID, false),
+            AccountMeta::new_readonly(sysvar::slot_hashes::ID, false),
         ],
         data: Swap {
             amount: amount.to_le_bytes(),