diff --git a/dbstruct-derive/Cargo.toml b/dbstruct-derive/Cargo.toml
index 3bdc32e..ec80a61 100644
--- a/dbstruct-derive/Cargo.toml
+++ b/dbstruct-derive/Cargo.toml
@@ -16,7 +16,7 @@ exclude = [
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-syn = { version = "2", features = ["full", "extra-traits"] }
+syn = { version = "3", features = ["full", "extra-traits"] }
 quote = "1"
 proc-macro2 = "1" 
 proc-macro-error = "1"