diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index 0669dfa..d5d73fa 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -11,4 +11,4 @@ proc_macro = true
 [dependencies]
 proc-macro2 = "1.0.71"
 quote = "1.0.33"
-syn = { version = "2.0.42", features = ["full"] }
+syn = { version = "2.0.43", features = ["full"] }