diff --git a/manifest.json b/manifest.json
index d88ae0a..c5c92c1 100644
--- a/manifest.json
+++ b/manifest.json
@@ -168,6 +168,7 @@
 		"18-18",
 		"18-19",
 		"18-21",
+		"18-23",
 		"18-24",
 		"18-25",
 		"18-27",