diff --git a/manifest.json b/manifest.json
index 5d91224..4a568b8 100644
--- a/manifest.json
+++ b/manifest.json
@@ -108,6 +108,7 @@
 		"21-12",
 		"21-15",
 		"21-17",
-		"21-19"
+		"21-19",
+		"21-20"
 	]
 }
\ No newline at end of file