diff --git a/proxmox-api-macro/Cargo.toml b/proxmox-api-macro/Cargo.toml
index 446a1790..b7dfe999 100644
--- a/proxmox-api-macro/Cargo.toml
+++ b/proxmox-api-macro/Cargo.toml
@@ -15,7 +15,7 @@ proc-macro = true
 anyhow = "1.0"
 proc-macro2 = "1.0"
 quote = "1.0"
-syn = { version = "1.0", features = [ "full", "visit-mut" ] }
+syn = { version = "1.0", features = [ "extra-traits", "full", "visit-mut" ] }
 
 [dev-dependencies]
 futures = "0.3"