diff --git a/Cargo.toml b/Cargo.toml
index 79dbf3e..8ab1478 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ clap = { version = "4.5.4", features = ["derive", "unicode"] }
 serde = { version = "1.0.197", features = ["derive"] }
 serde_json = "1.0.115"
 tempfile = "3.10.1"
-syn = "2.0"
+syn = "3.0"
 quote = "1.0"
 
 [lib]