diff --git a/spartan/environments/next-scenario.env b/spartan/environments/next-scenario.env
index 0a2bc1652845..39c6ba8ec09f 100644
--- a/spartan/environments/next-scenario.env
+++ b/spartan/environments/next-scenario.env
@@ -5,6 +5,7 @@ DESTROY_NAMESPACE=true
 DESTROY_ETH_DEVNET=true
 CREATE_ETH_DEVNET=true
 AZTEC_EPOCH_DURATION=32
+AZTEC_SLOT_DURATION=36
 ETHEREUM_CHAIN_ID=1337
 LABS_INFRA_MNEMONIC="test test test test test test test test test test test junk"
 FUNDING_PRIVATE_KEY="0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80"