diff --git a/gotocompany/optimus/core/v1beta1/namespace.proto b/gotocompany/optimus/core/v1beta1/namespace.proto
index d12e3c82..be4e2441 100644
--- a/gotocompany/optimus/core/v1beta1/namespace.proto
+++ b/gotocompany/optimus/core/v1beta1/namespace.proto
@@ -76,4 +76,5 @@ message GetNamespaceResponse {
 message NamespaceSpecification {
   string name = 1;
   map<string, string> config = 2;
+  map<string, string> variables = 3;
 }
diff --git a/gotocompany/optimus/core/v1beta1/project.proto b/gotocompany/optimus/core/v1beta1/project.proto
index 7346f41d..de314657 100644
--- a/gotocompany/optimus/core/v1beta1/project.proto
+++ b/gotocompany/optimus/core/v1beta1/project.proto
@@ -85,4 +85,6 @@ message ProjectSpecification {
     string location = 7;
   }
   map<string, ProjectPreset> presets = 4;
+
+  map<string, string> variables = 5;
 }