diff --git a/beacon_chain/networking/network_metadata.nim b/beacon_chain/networking/network_metadata.nim
index 65a6d2471..b88c73020 100644
--- a/beacon_chain/networking/network_metadata.nim
+++ b/beacon_chain/networking/network_metadata.nim
@@ -125,6 +125,8 @@ func deploymentPhase*(genesisData: string): DeploymentPhase =
       "F0DB94620000000044F1E56283CA88B35C789F7F449E52339BC1FEFE3A45913A43A6D16EDCD33CF1",
       # Sepolia
       "607DB06200000000D8EA171F3C94AEA21EBC42A1ED61052ACF3F9209C00E4EFBAADDAC09ED9B8078",
+      # Mainnet Shadow Fork 9
+      "0C2ECC6200000000209BA2806D11E2394A9C6682815453EDCFDBA1DCE0C25D71BCFEF6363FBD3A43"
     ]
 
   let data = (genesisData[0 ..< 40].toHex())