diff --git a/manifest.json b/manifest.json
index 525dbf0..d49e75b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -47,6 +47,7 @@
 		"01-17",
 		"01-19",
 		"01-21",
+		"01-23",
 		"02-title",
 		"02-01",
 		"02-03",