diff --git a/src/tasks/block/sim.rs b/src/tasks/block/sim.rs
index daa1c03..6af48f5 100644
--- a/src/tasks/block/sim.rs
+++ b/src/tasks/block/sim.rs
@@ -215,9 +215,9 @@ impl Simulator {
         // remaining, we need to subtract it from the slot duration
         let remaining = self.slot_calculator().slot_duration() - timepoint;
 
-        // We add a 1500 ms buffer to account for sequencer stopping signing.
+        // We add a 2500 ms buffer to account for sequencer stopping signing.
         let deadline =
-            Instant::now() + Duration::from_secs(remaining) - Duration::from_millis(1500);
+            Instant::now() + Duration::from_secs(remaining) - Duration::from_millis(2500);
 
         deadline.max(Instant::now())
     }