diff --git a/Cargo.lock b/Cargo.lock
index b51d962..035c9f4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1694,7 +1694,7 @@ dependencies = [
  "solana-last-restart-slot",
  "solana-loader-v3-interface",
  "solana-loader-v4-interface",
- "solana-message 3.1.0",
+ "solana-message",
  "solana-native-token",
  "solana-nonce",
  "solana-nonce-account",
@@ -1717,7 +1717,7 @@ dependencies = [
  "solana-system-program",
  "solana-sysvar 3.1.1",
  "solana-sysvar-id",
- "solana-transaction 3.1.0",
+ "solana-transaction",
  "solana-transaction-context",
  "solana-transaction-error",
  "thiserror 2.0.18",
@@ -3050,20 +3050,6 @@ dependencies = [
  "solana-transaction-error",
 ]
 
-[[package]]
-name = "solana-message"
-version = "4.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "705bae842f1d02819db46ae9051613d78576c7cdabc0edb5cba4d7fe9482acaf"
-dependencies = [
- "solana-address 2.6.1",
- "solana-hash 4.4.0",
- "solana-instruction",
- "solana-sanitize",
- "solana-sdk-ids",
- "solana-transaction-error",
-]
-
 [[package]]
 name = "solana-msg"
 version = "3.1.0"
@@ -3567,11 +3553,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be3250a278a769ba59059e13d0f16c2aba0ca1de7595fb0e02556091751560c8"
 dependencies = [
  "solana-hash 3.1.0",
- "solana-message 3.1.0",
+ "solana-message",
  "solana-pubkey 3.0.0",
  "solana-sdk-ids",
  "solana-signature",
- "solana-transaction 3.1.0",
+ "solana-transaction",
 ]
 
 [[package]]
@@ -3728,7 +3714,7 @@ dependencies = [
  "solana-hash 4.4.0",
  "solana-instruction",
  "solana-instruction-error",
- "solana-message 3.1.0",
+ "solana-message",
  "solana-sanitize",
  "solana-sdk-ids",
  "solana-short-vec",
@@ -3737,23 +3723,6 @@ dependencies = [
  "solana-transaction-error",
 ]
 
-[[package]]
-name = "solana-transaction"
-version = "4.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47d105ecce084206697230226c6b2230401c220feb4dc63e1274d58b38969292"
-dependencies = [
- "solana-address 2.6.1",
- "solana-hash 4.4.0",
- "solana-instruction",
- "solana-instruction-error",
- "solana-message 4.2.1",
- "solana-sanitize",
- "solana-sdk-ids",
- "solana-signature",
- "solana-transaction-error",
-]
-
 [[package]]
 name = "solana-transaction-context"
 version = "3.1.14"
@@ -3835,7 +3804,7 @@ dependencies = [
  "solana-sdk-ids",
  "solana-signer",
  "solana-slot-hashes",
- "solana-transaction 3.1.0",
+ "solana-transaction",
  "solana-transaction-context",
  "solana-vote-interface",
  "thiserror 2.0.18",
@@ -3956,9 +3925,9 @@ dependencies = [
  "litesvm",
  "pyth-solana-receiver-sdk",
  "solana-keypair",
- "solana-message 4.2.1",
+ "solana-message",
  "solana-signer",
- "solana-transaction 4.1.3",
+ "solana-transaction",
 ]
 
 [[package]]
diff --git a/programs/solisting/Cargo.toml b/programs/solisting/Cargo.toml
index dcf2d27..4474d20 100644
--- a/programs/solisting/Cargo.toml
+++ b/programs/solisting/Cargo.toml
@@ -26,8 +26,8 @@ pyth-solana-receiver-sdk = "1.2.0"
 
 [dev-dependencies]
 litesvm = "0.12.0"
-solana-message = "4.2.1"
-solana-transaction = "4.1.3"
+solana-message = "3.1.0"
+solana-transaction = "3.1.0"
 solana-signer = "3.0.1"
 solana-keypair = "3.1.2"
 
diff --git a/programs/solisting/tests/common/mod.rs b/programs/solisting/tests/common/mod.rs
index 6e134a3..dee918e 100644
--- a/programs/solisting/tests/common/mod.rs
+++ b/programs/solisting/tests/common/mod.rs
@@ -4,7 +4,7 @@ use anchor_lang::{
     solana_program::{instruction::Instruction, system_program},
     AccountDeserialize, InstructionData, ToAccountMetas,
 };
-use litesvm::LiteSVM;
+use litesvm::{types::TransactionResult, LiteSVM};
 use solana_keypair::Keypair;
 use solana_message::{Message, VersionedMessage};
 use solana_signer::Signer;
@@ -81,13 +81,11 @@ pub fn try_send(
     svm: &mut LiteSVM,
     ixs: &[Instruction],
     signers: &[&Keypair],
-) -> Result<(), Box<dyn std::error::Error>> {
+) -> TransactionResult {
     let blockhash = svm.latest_blockhash();
     let msg = Message::new_with_blockhash(ixs, Some(&signers[0].pubkey()), &blockhash);
-    let tx = VersionedTransaction::try_new(VersionedMessage::Legacy(msg), signers)
-        .map_err(|e| Box::new(e) as Box<dyn std::error::Error>)?;
+    let tx = VersionedTransaction::try_new(VersionedMessage::Legacy(msg), signers).unwrap();
     svm.send_transaction(tx)
-        .map_err(|e| Box::new(e) as Box<dyn std::error::Error>)
 }
 
 // --- Listing instruction builders ---
diff --git a/programs/solisting/tests/test_listings.rs b/programs/solisting/tests/test_listings.rs
index df6681e..f36ffda 100644
--- a/programs/solisting/tests/test_listings.rs
+++ b/programs/solisting/tests/test_listings.rs
@@ -1,5 +1,6 @@
 mod common;
 use common::*;
+use solana_signer::Signer;
 
 #[test]
 fn seller_can_create_sol_only_listing() {