diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index cb3fb59..ccc52c6 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -15,5 +15,5 @@ proc-macro = true
 
 [dependencies]
 quote = "1.0"
-syn = "2.0.62"
+syn = { version = "2.0.62", features = ["full"] }
 proc-macro2 = "1.0"