diff --git a/manifest.json b/manifest.json
index 8a835d9..3d8fc9f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -238,6 +238,7 @@
 		"18-20",
 		"18-22",
 		"18-24",
+		"18-27",
 		"18-29",
 		"18-32",
 		"19-title",