diff --git a/Cargo.toml b/Cargo.toml
index 7e721fd..2e84387 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -62,7 +62,7 @@ solana-keypair = "2"
 spl-associated-token-account = "7"
 spl-memo = "6"
 spl-token = { version = "7" }
-syn = { version = "1", features = ["full"] }
+syn = { version = "2", features = ["full"] }
 thiserror = { version = "2", default-features = false }
 tokio = { version = "1", features = ["rt", "time", "signal", "macros"] }
 tracing = "0.1"