diff --git a/proto/environments/environments_v1.proto b/proto/environments/environments_v1.proto
index df4ca01..5a450c5 100644
--- a/proto/environments/environments_v1.proto
+++ b/proto/environments/environments_v1.proto
@@ -91,12 +91,29 @@ enum Provider {
   PROVIDER_HETZNER = 1;
 }
 
+enum ServerType {
+  SERVER_TYPE_UNSPECIFIED = 0;
+  SERVER_TYPE_STARTER = 1;
+  SERVER_TYPE_REGULAR = 2;
+  SERVER_TYPE_PLUS = 3;
+  SERVER_TYPE_PRO = 4;
+}
+
+enum HetznerLocation {
+  HETZNER_LOCATION_UNSPECIFIED = 0;
+  HETZNER_LOCATION_NUREMBERG = 1;
+  HETZNER_LOCATION_FALKENSTEIN = 2;
+  HETZNER_LOCATION_HELSINKI = 3;
+  HETZNER_LOCATION_HILLSBORO = 4;
+  HETZNER_LOCATION_ASHBURN = 5;
+}
+
 enum Kubernetes {
   KUBERNETES_UNSPECIFIED = 0;
   KUBERNETES_K3S = 1;
 }
 
 message HetznerOptions {
-  string server_type = 1;
-  string server_location = 2;
+  ServerType server_type = 1;
+  HetznerLocation server_location = 2;
 }