diff --git a/nodebuilder/p2p/genesis.go b/nodebuilder/p2p/genesis.go
index 47cac600f0..32d3e6a87e 100644
--- a/nodebuilder/p2p/genesis.go
+++ b/nodebuilder/p2p/genesis.go
@@ -21,7 +21,7 @@ func GenesisFor(net Network) (string, error) {
 
 // NOTE: Every time we add a new long-running network, its genesis hash has to be added here.
 var genesisList = map[Network]string{
-	Arabica: "FAAA4B939173B4F8567E812FDC570FF186355326879017A611C58267A5D6EF17",
+	Arabica: "04EE55B212745B88F29943D7B9528C415473A211F12EEF6E9333EF32E4DEAF3C",
 	Mamaki:  "41BBFD05779719E826C4D68C4CCBBC84B2B761EB52BC04CFDE0FF8603C9AA3CA",
 	Private: "",
 }