diff --git a/cardano-lib/default.nix b/cardano-lib/default.nix
index 48754e8a..010b84bb 100644
--- a/cardano-lib/default.nix
+++ b/cardano-lib/default.nix
@@ -208,7 +208,7 @@ let
       ];
       edgePort = 3001;
       networkConfig = import ./sanchonet-config.nix;
-      usePeersFromLedgerAfterSlot = 10800600;
+      usePeersFromLedgerAfterSlot = 12268800;
     };
 
     private = rec {