diff --git a/modules/ROOT/assets/attachments/rest-api-metrics.yaml b/modules/ROOT/assets/attachments/rest-api-metrics.yaml
index f98e65cc6..b304373f8 100644
--- a/modules/ROOT/assets/attachments/rest-api-metrics.yaml
+++ b/modules/ROOT/assets/attachments/rest-api-metrics.yaml
@@ -1,4 +1,4 @@
-swagger: '3.0'
+swagger: '2.0'
 info:
   title: Sync Gateway
   description: |