diff --git a/src/lib.rs b/src/lib.rs
index c30515d..fca7b6a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,4 @@
+#![feature(nll)]
 #![doc(html_root_url = "https://dtolnay.github.io/syn")]
 
 #![cfg_attr(feature = "cargo-clippy", allow(large_enum_variant))]

Add NLL patch for syn
Add NLL patch for syn
