diff --git a/manifest.json b/manifest.json
index de1af02..711739c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -40,6 +40,7 @@
 		"01-title",
 		"01-01",
 		"01-02",
+		"01-04",
 		"01-06",
 		"01-08",
 		"02-title",