diff --git a/codex/contracts/deployment.nim b/codex/contracts/deployment.nim
index b5b2e311..6ab65425 100644
--- a/codex/contracts/deployment.nim
+++ b/codex/contracts/deployment.nim
@@ -19,6 +19,10 @@ const knownAddresses = {
  # Taiko Alpha-3 Testnet
  "167005": {
   "Marketplace": Address.init("0x948CF9291b77Bd7ad84781b9047129Addf1b894F")
+ }.toTable,
+ # Codex Testnet - Sept-2024
+ "789987": {
+  "Marketplace": Address.init("0xCDef8d6884557be4F68dC265b6bB2E3e52a6C9d6")
  }.toTable
 }.toTable