diff --git a/manifest.json b/manifest.json
index cffaa36..8c6424f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -241,6 +241,7 @@
 		"15-22",
 		"15-24",
 		"15-26",
+		"15-28",
 		"15-30",
 		"15-32",
 		"15-34",