diff --git a/src/uucore_procs/Cargo.toml b/src/uucore_procs/Cargo.toml
index 195912ff6..0be04db5c 100644
--- a/src/uucore_procs/Cargo.toml
+++ b/src/uucore_procs/Cargo.toml
@@ -18,7 +18,7 @@ proc-macro = true
 [dependencies]
 proc-macro2 = "1.0"
 quote = "1.0"
-syn = { version="1.0" }
+syn = { version="1.0", features = ["full"] }
 
 [features]
 default = []