diff --git a/build.rs b/build.rs
index e767631..0fb7dc6 100644
--- a/build.rs
+++ b/build.rs
@@ -22,6 +22,10 @@ fn main() {
 
     tonic_build::configure()
         .file_descriptor_set_path(out_dir.join("greptime_grpc_desc.bin"))
+        .enum_attribute(
+            "SemanticType",
+            "#[derive(::serde::Serialize, ::serde::Deserialize)]",
+        )
         .compile(
             &[
                 "proto/greptime/v1/database.proto",