diff --git a/infra/seed-nodes/testnet-object.json b/infra/seed-nodes/testnet-object.json
index 01bf04f9c..a2eddbcca 100644
--- a/infra/seed-nodes/testnet-object.json
+++ b/infra/seed-nodes/testnet-object.json
@@ -107,6 +107,7 @@
     "mib": 512,
     "admissible": false
   },
+  "latency_ladder_cache_rung_activation_daa": 0,
   "sig_scheme": 0,
   "sig_scheme_activation_daa": 0,
   "finality_succession_activation_daa": 0,