diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/cat.snapshots.json b/rest-api-spec/src/main/resources/rest-api-spec/api/cat.snapshots.json
index 90f4ca32730b6..eec22e2e0412d 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/cat.snapshots.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/cat.snapshots.json
@@ -10,7 +10,6 @@
       "parts": {
         "repository": {
           "type" : "list",
-          "required": true,
           "description": "Name of repository from which to fetch the snapshot information"
         }
       },