diff --git a/src/config/mod.rs b/src/config/mod.rs
index 1eb39223..240be908 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -286,8 +286,8 @@ impl ChainConfig {
             blocktime: 2,
             regolith_time: 0,
             canyon_time: 170499240,
-            ecotone_time: u64::MAX, // TODO(nicolas): update when ecotone times are known
-            delta_time: u64::MAX,
+            delta_time: 1708560000,
+            ecotone_time: 1710781201,
         }
     }
 
@@ -406,8 +406,8 @@ impl ChainConfig {
             blocktime: 2,
             regolith_time: 0,
             canyon_time: 1704992401,
-            delta_time: u64::MAX,
-            ecotone_time: u64::MAX, // TODO(nicolas): update when ecotone times are known
+            delta_time: 1708560000,
+            ecotone_time: 1710781201,
         }
     }
 
@@ -770,6 +770,7 @@ mod test {
             "regolith_time": 1,
             "canyon_time": 2,
             "delta_time": 3,
+            "ecotone_time": 4,
             "batch_inbox_address": "0xff00000000000000000000000000000000000000",
             "deposit_contract_address": "0x6900000000000000000000000000000000000001",
             "l1_system_config_address": "0x6900000000000000000000000000000000000009"
@@ -818,6 +819,7 @@ mod test {
         assert_eq!(chain.regolith_time, 1);
         assert_eq!(chain.canyon_time, 2);
         assert_eq!(chain.delta_time, 3);
+        assert_eq!(chain.ecotone_time, 4);
         assert_eq!(chain.blocktime, 2);
         assert_eq!(
             chain.l2_to_l1_message_passer,