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 553d8825075..6dcef57b3e1 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
@@ -2,7 +2,7 @@
 "Shrink index ignores target template mapping":
     - skip:
         version: " - 5.5.99"
-        reason:  bug fixed in 6.0
+        reason: bug fixed in 5.6.0
 
     - do:
         cluster.state: {}