diff --git a/manifest.json b/manifest.json
index acfde1e..bbcf843 100644
--- a/manifest.json
+++ b/manifest.json
@@ -27,8 +27,8 @@
 			"language_id": "en",
 			"resource_id": "ulb",
 			"checking_level": "3",
-			"date_modified": "2017-11-29T00:00:00+00:00",
-			"version": "12"
+			"date_modified": "2021-05-24T00:00:00+00:00",
+			"version": "21-05"
 		}
 	],
 	"parent_draft": {},
@@ -207,6 +207,7 @@
 		"13-08",
 		"13-10",
 		"13-12",
+		"13-15",
 		"13-16",
 		"13-19",
 		"13-21",