diff --git a/rest-api-spec/src/main/resources/rest-api-spec/test/indices.shrink/20_source_mapping.yml b/rest-api-spec/src/main/resources/rest-api-spec/test/indices.shrink/20_source_mapping.yml
index a2dcb2cb84f..e93da15188f 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/test/indices.shrink/20_source_mapping.yml
+++ b/rest-api-spec/src/main/resources/rest-api-spec/test/indices.shrink/20_source_mapping.yml
@@ -1,8 +1,8 @@
 ---
 "Shrink index ignores target template mapping":
     - skip:
-        version: " - 5.5.99"
-        reason: bug fixed in 5.6.0
+        version: " - 6.0.99"
+        reason: bug fixed in 5.6.0 but no way to expect warning for normal rest test but not for mixed cluster test 
         features: "warnings"
 
     - do: