diff --git a/manifest.json b/manifest.json
index 971449d..2eed7a0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -302,6 +302,7 @@
 		"13-21",
 		"13-23",
 		"13-26",
+		"13-28",
 		"13-31",
 		"13-34",
 		"13-36",