diff --git a/proto/environments/environments_v1.proto b/proto/environments/environments_v1.proto
index c65f56d..24bb104 100644
--- a/proto/environments/environments_v1.proto
+++ b/proto/environments/environments_v1.proto
@@ -69,6 +69,7 @@ message ListOptions {
 message EnvironmentMetadata {
   string name = 1; // A name of the environment
   string description = 2;
+  string uuid = 3;
 }
 
 message EnvironmentSpec {