diff --git a/cli-mock/brain.proto b/cli-mock/brain.proto
index 303b390..fd8662f 100644
--- a/cli-mock/brain.proto
+++ b/cli-mock/brain.proto
@@ -54,7 +54,6 @@ message UpdateVMReq {
 
 message UpdateVMResp {
   string uuid = 1;
-  string timestamp = 2;
   string error = 3;
 }
 
@@ -72,6 +71,7 @@ message VMContract {
   string kernel_sha = 11;
   string dtrfs_sha = 12;
   string created_at = 13;
+  string updated_at = 14;
 }
 
 message ListVMContractsReq {
@@ -127,4 +127,4 @@ service BrainCliService {
   rpc ListNodes (NodeFilters) returns (stream NodeListResp);
   rpc DeleteVM (DeleteVMReq) returns (Empty);
   rpc UpdateVM (UpdateVMReq) returns (UpdateVMResp);
-}
\ No newline at end of file
+}
diff --git a/daemon-mock/brain.proto b/daemon-mock/brain.proto
index 303b390..fd8662f 100644
--- a/daemon-mock/brain.proto
+++ b/daemon-mock/brain.proto
@@ -54,7 +54,6 @@ message UpdateVMReq {
 
 message UpdateVMResp {
   string uuid = 1;
-  string timestamp = 2;
   string error = 3;
 }
 
@@ -72,6 +71,7 @@ message VMContract {
   string kernel_sha = 11;
   string dtrfs_sha = 12;
   string created_at = 13;
+  string updated_at = 14;
 }
 
 message ListVMContractsReq {
@@ -127,4 +127,4 @@ service BrainCliService {
   rpc ListNodes (NodeFilters) returns (stream NodeListResp);
   rpc DeleteVM (DeleteVMReq) returns (Empty);
   rpc UpdateVM (UpdateVMReq) returns (UpdateVMResp);
-}
\ No newline at end of file
+}
diff --git a/daemon-mock/src/main.rs b/daemon-mock/src/main.rs
index 79f064a..6646859 100644
--- a/daemon-mock/src/main.rs
+++ b/daemon-mock/src/main.rs
@@ -148,7 +148,6 @@ async fn handle_update_vm_requests(
     while let Some(update_vm) = req.recv().await {
         let confirmation = UpdateVmResp {
             uuid: update_vm.uuid,
-            timestamp: "brain's job".to_string(),
             error: "No errors yet".to_string(),
         };
         info!("Sending UpdateVmResp: {confirmation:?}");