diff --git a/manifest.json b/manifest.json
index ef7ec76..1c51f50 100644
--- a/manifest.json
+++ b/manifest.json
@@ -130,6 +130,7 @@
 		"08-13",
 		"08-15",
 		"08-18",
+		"08-20",
 		"09-title",
 		"10-title",
 		"11-title",