diff --git a/spartan/environments/testnet.env b/spartan/environments/testnet.env
index d57eefe37a96..4c297cb33614 100644
--- a/spartan/environments/testnet.env
+++ b/spartan/environments/testnet.env
@@ -69,9 +69,11 @@ RPC_INGRESS_SSL_CERT_NAMES='["testnet-rpc-cert"]'
 
 
 VALIDATOR_REPLICAS=4
-VALIDATORS_PER_NODE=20
-PUBLISHERS_PER_VALIDATOR_KEY=2
+VALIDATORS_PER_NODE=64
+PUBLISHERS_PER_VALIDATOR_KEY=1
 VALIDATOR_PUBLISHER_MNEMONIC_START_INDEX=5000
+VALIDATOR_HA_REPLICAS=1
+VALIDATOR_RESOURCE_PROFILE="prod-spot"
 
 PUBLISHERS_PER_PROVER=2
 PROVER_PUBLISHER_MNEMONIC_START_INDEX=8000