diff --git a/proto/Cargo.toml b/proto/Cargo.toml
index 8e05985..31ad6c1 100644
--- a/proto/Cargo.toml
+++ b/proto/Cargo.toml
@@ -16,7 +16,9 @@ description = """
 all-features = true
 
 [dependencies]
-prost = { version = "0.12", default-features = false }
+prost = { version = "0.12", default-features = false, features = [
+    "prost-derive",
+] }
 bytes = { version = "1.0", default-features = false, features = ["serde"] }
 serde = { version = "1.0", default-features = false, features = ["derive"] }
 subtle-encoding = { version = "0.5", default-features = false, features = [