diff --git a/proto/sgx/brain.proto b/proto/sgx/brain.proto
index 5c1b4c9..7403acc 100644
--- a/proto/sgx/brain.proto
+++ b/proto/sgx/brain.proto
@@ -18,6 +18,8 @@ message AppContract {
   uint64 nano_per_minute = 10;
   uint64 locked_nano = 11;
   string collected_at = 12;
+  string hratls_pubkey = 13;
+  optional bytes public_package_mr_enclave = 14;
 }
 
 message NewAppReq {
@@ -29,7 +31,7 @@ message NewAppReq {
   uint64 price_per_unit = 6;
   uint64 locked_nano = 7;
   string hratls_pubkey = 8;
-  bool public_package = 9;
+  optional bytes public_package_mr_enclave = 9;
 }
 
 message AppResource {
diff --git a/src/sgx/types/brain.rs b/src/sgx/types/brain.rs
index eef7282..9b17300 100644
--- a/src/sgx/types/brain.rs
+++ b/src/sgx/types/brain.rs
@@ -47,7 +47,7 @@ pub struct AppDeployConfig {
     #[serde(default)]
     pub hratls_pubkey: String,
     #[serde(default)]
-    pub public_package: bool,
+    pub public_package_mr_enclave: Option<Vec<u8>>,
 }
 
 impl From<NewAppReq> for AppDeployConfig {
@@ -61,7 +61,7 @@ impl From<NewAppReq> for AppDeployConfig {
             price_per_unit: pb_val.price_per_unit,
             locked_nano: pb_val.locked_nano,
             hratls_pubkey: pb_val.hratls_pubkey,
-            public_package: pb_val.public_package,
+            public_package_mr_enclave: pb_val.public_package_mr_enclave,
         }
     }
 }
@@ -77,7 +77,7 @@ impl From<AppDeployConfig> for NewAppReq {
             price_per_unit: val.price_per_unit,
             locked_nano: val.locked_nano,
             hratls_pubkey: val.hratls_pubkey,
-            public_package: val.public_package,
+            public_package_mr_enclave: val.public_package_mr_enclave,
         }
     }
 }