diff --git a/benches/future_children.rs b/benches/future_children.rs
index f24cc8a..fcc4ed3 100644
--- a/benches/future_children.rs
+++ b/benches/future_children.rs
@@ -11,7 +11,8 @@ fn extend_layers_test(depth: usize, expire: usize) {
 fn criterion_benchmark(c: &mut Criterion) {
     const EXPIRE: usize = 4;
     let mut group = c.benchmark_group(format!("extend_layers (expire {})", EXPIRE));
-    group.measurement_time(Duration::from_secs(10));
+    group.measurement_time(Duration::from_secs(60));
+    group.sample_size(10000);
 
     for (depth, expire) in (2..6).zip([EXPIRE].into_iter().cycle()) {
         group.throughput(Throughput::Elements(depth as u64));