diff --git a/manifest.json b/manifest.json
index 0b9df41..ef4f04f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -71,6 +71,7 @@
 		"03-18",
 		"03-21",
 		"04-title",
+		"04-01",
 		"04-03",
 		"04-07",
 		"04-10",