diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 532828e247..1846fa3055 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-middlewareVersion = "v0.40.0-rc8"
+middlewareVersion = "v0.40.0-rc9"
 kotlinVersion = '2.0.21'
 kspVersion = "2.0.21-1.0.25"
 
diff --git a/protocol/src/main/proto/models.proto b/protocol/src/main/proto/models.proto
index 5d9b5f38b2..08e610e4b1 100644
--- a/protocol/src/main/proto/models.proto
+++ b/protocol/src/main/proto/models.proto
@@ -757,7 +757,7 @@ message SpaceObjectHeader {
 
 message ObjectType {
     string url = 1; // leave empty in case you want to create the new one
-    string name = 2; // name of objectType (can be localized for bundled types)
+    string name = 2; // name of objectType in singular form (can be localized for bundled types)
     repeated RelationLink relationLinks = 3; // cannot contain more than one Relation with the same RelationType
     Layout layout = 4;
     string iconEmoji = 5; // emoji symbol
@@ -772,6 +772,7 @@ message ObjectType {
     bool restrictObjectCreation = 14; // restricts creating objects of this type for users
     int64 iconColor = 15; // color of object type icon
     string iconName = 16; // name of object type icon
+    string pluralName = 17; // name of objectType in plural form (can be localized for bundled types)
 
     enum Layout {
         basic = 0;