diff --git a/syntax/mod.rs b/syntax/mod.rs
index 111cec3..c878ae2 100644
--- a/syntax/mod.rs
+++ b/syntax/mod.rs
@@ -74,6 +74,7 @@
     pub derives: Vec<Derive>,
     pub type_token: Token![type],
     pub name: Pair,
+    pub lifetimes: Vec<Lifetime>,
     pub colon_token: Option<Token![:]>,
     pub bounds: Vec<Derive>,
     pub semi_token: Token![;],
@@ -115,6 +116,7 @@
     pub derives: Vec<Derive>,
     pub type_token: Token![type],
     pub name: Pair,
+    pub lifetimes: Vec<Lifetime>,
     pub eq_token: Token![=],
     pub ty: RustType,
     pub semi_token: Token![;],