diff --git a/manifest.json b/manifest.json
index f106c05..89ed4d2 100644
--- a/manifest.json
+++ b/manifest.json
@@ -67,6 +67,7 @@
 		"14-15",
 		"14-17",
 		"14-19",
+		"14-21",
 		"15-title",
 		"15-01",
 		"15-04",