diff --git a/rest-api-spec/src/main/resources/rest-api-spec/test/search.aggregation/40_range.yml b/rest-api-spec/src/main/resources/rest-api-spec/test/search.aggregation/40_range.yml
index 2fd926276d0b4..33deda336912a 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/test/search.aggregation/40_range.yml
+++ b/rest-api-spec/src/main/resources/rest-api-spec/test/search.aggregation/40_range.yml
@@ -544,6 +544,7 @@ setup:
         body:
           settings:
             number_of_replicas: 0
+            number_of_shards: 1
             refresh_interval: -1
           mappings:
             properties: