diff --git a/manifest.json b/manifest.json
index e51c6f8b7..31ed874c1 100644
--- a/manifest.json
+++ b/manifest.json
@@ -309,6 +309,7 @@
 		"18-09",
 		"18-10",
 		"18-11",
+		"18-12",
 		"18-13",
 		"18-reference",
 		"19-title",