diff --git a/crates/syn-solidity/Cargo.toml b/crates/syn-solidity/Cargo.toml
index 4fcb6d757..c33aae3f5 100644
--- a/crates/syn-solidity/Cargo.toml
+++ b/crates/syn-solidity/Cargo.toml
@@ -16,4 +16,4 @@ repository.workspace = true
 [dependencies]
 proc-macro2.workspace = true
 quote.workspace = true
-syn = { workspace = true, features = [] }
+syn = { workspace = true, features = ["extra-traits"] }