diff --git a/src/queries.js b/src/queries.js
index 9270664..e21f12a 100644
--- a/src/queries.js
+++ b/src/queries.js
@@ -172,6 +172,15 @@ module.exports.allConceptScheme = (languages) => `
                     ...ConceptFields
                     narrower {
                       ...ConceptFields
+                      narrower {
+                        ...ConceptFields
+                        narrower {
+                          ...ConceptFields
+                          narrower {
+                            ...ConceptFields
+                          }
+                        }
+                      }
                     }
                   }
                 }