diff --git a/src/config.rs b/src/config.rs
index f23ad87..be5dd87 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -8,7 +8,7 @@ use rustls::{ClientConfig, ServerConfig};
 #[cfg(feature = "occlum")]
 pub type Measurement = [u8; 32];
 
-#[derive(Default, Debug)]
+#[derive(Default, Debug, Clone)]
 pub struct RaTlsConfig {
     #[cfg(feature = "occlum")]
     pub(crate) allowed_instances: Vec<InstanceMeasurement>,