diff --git a/vis.js b/vis.js
index c162a4a..effd95e 100644
--- a/vis.js
+++ b/vis.js
@@ -430,4 +430,5 @@ var vis = {
 "2023-09" : { vnv: 599.9, vh: 979.1 },
 "2023-10" : { vnv: 603.5, vh: 988.4 },
 "2023-11" : { vnv: 605.8, vh: 989.5 },
+"2023-12" : { vnv: 608.3, vh: 994.1 },
 };
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