diff --git a/manifest.json b/manifest.json
index a4085737..f663c36b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -51,6 +51,7 @@
 		"21-30",
 		"21-32",
 		"21-34",
-		"21-37"
+		"21-37",
+		"21-39"
 	]
 }
\ No newline at end of file