diff --git a/spartan/environments/staging-public.env b/spartan/environments/staging-public.env
index 411387fa2f81..73886cbc574a 100644
--- a/spartan/environments/staging-public.env
+++ b/spartan/environments/staging-public.env
@@ -31,6 +31,7 @@ SEQ_MAX_TX_PER_CHECKPOINT=7 # 0.1 TPS
 # Build checkpoint even if block is empty.
 SEQ_BUILD_CHECKPOINT_IF_EMPTY=true
 SEQ_BLOCK_DURATION_MS=6000
+SEQ_L1_PUBLISHING_TIME_ALLOWANCE_IN_SLOT=36
 
 CREATE_ROLLUP_CONTRACTS=${CREATE_ROLLUP_CONTRACTS:-false}
 P2P_TX_POOL_DELETE_TXS_AFTER_REORG=true