diff --git a/manifest.json b/manifest.json
index 78a94d8b..fb56b2b1 100644
--- a/manifest.json
+++ b/manifest.json
@@ -69,6 +69,7 @@
 		"38-14",
 		"38-16",
 		"38-18",
-		"38-20"
+		"38-20",
+		"38-21"
 	]
 }
\ No newline at end of file