diff --git a/server/bundles/io.cloudbeaver.server/schema/service.core.graphqls b/server/bundles/io.cloudbeaver.server/schema/service.core.graphqls
index 46c72229fa..a529561034 100644
--- a/server/bundles/io.cloudbeaver.server/schema/service.core.graphqls
+++ b/server/bundles/io.cloudbeaver.server/schema/service.core.graphqls
@@ -111,29 +111,27 @@ type ServerConfig {
     workspaceId: ID!
 
     serverURL: String!
-
     rootURI: String!
-
     hostName: String!
 
-    anonymousAccessEnabled: Boolean
-    supportsCustomConnections: Boolean
-    supportsConnectionBrowser: Boolean
-    supportsWorkspaces: Boolean
-    resourceManagerEnabled: Boolean
+    anonymousAccessEnabled: Boolean!
+    supportsCustomConnections: Boolean!
+    supportsConnectionBrowser: Boolean!
+    supportsWorkspaces: Boolean!
+    resourceManagerEnabled: Boolean!
 
-    publicCredentialsSaveEnabled: Boolean
-    adminCredentialsSaveEnabled: Boolean
+    publicCredentialsSaveEnabled: Boolean!
+    adminCredentialsSaveEnabled: Boolean!
 
     licenseRequired: Boolean!
     licenseValid: Boolean!
 
-    sessionExpireTime: Int
+    sessionExpireTime: Int!
     localHostAddress: String
 
-    configurationMode: Boolean
-    developmentMode: Boolean
-    redirectOnFederatedAuth: Boolean
+    configurationMode: Boolean!
+    developmentMode: Boolean!
+    redirectOnFederatedAuth: Boolean!
     distributed: Boolean!
 
     enabledFeatures: [ID!]!