diff --git a/versionToServerVersionMapping.json b/versionToServerVersionMapping.json
index 515cf9b6..606bd836 100644
--- a/versionToServerVersionMapping.json
+++ b/versionToServerVersionMapping.json
@@ -5,7 +5,7 @@
   },
   {
     "tag": "OLD_PREVIEW",
-    "uiVersion": "r2845",
+    "uiVersion": "r2843",
     "serverVersion": "r1941"
   },
   {