diff --git a/schala-codegen/Cargo.toml b/schala-codegen/Cargo.toml
index ae26c45..d73f960 100644
--- a/schala-codegen/Cargo.toml
+++ b/schala-codegen/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["greg <greg.shuflin@protonmail.com>"]
 
 [dependencies]
 quote = "0.5.2"
-syn = { version = "0.13.1", features = ["full"] }
+syn = { version = "0.13.1", features = ["full", "extra-traits"] }
 
 
 [lib]