diff --git a/aoc2015/benches/bench.rs b/aoc2015/benches/bench.rs
index 28f6a39..528a8f1 100644
--- a/aoc2015/benches/bench.rs
+++ b/aoc2015/benches/bench.rs
@@ -18,7 +18,7 @@ fn aoc2015_all(c: &mut Criterion) {
 
 criterion_group! {
     name = all_days;
-    config = Criterion::default().sample_size(10);
+    config = Criterion::default().sample_size(30);
     targets = aoc2015_all
 }
 criterion_main!(all_days);
diff --git a/aoc2018/benches/bench.rs b/aoc2018/benches/bench.rs
index 3322203..f5b49db 100644
--- a/aoc2018/benches/bench.rs
+++ b/aoc2018/benches/bench.rs
@@ -16,7 +16,7 @@ fn aoc2018_all(c: &mut Criterion) {
 
 criterion_group! {
     name = all_days;
-    config = Criterion::default().sample_size(10);
+    config = Criterion::default().sample_size(30);
     targets = aoc2018_all
 }
 criterion_main!(all_days);
diff --git a/aoc2019/benches/bench.rs b/aoc2019/benches/bench.rs
index 0bded2b..8ec19e3 100644
--- a/aoc2019/benches/bench.rs
+++ b/aoc2019/benches/bench.rs
@@ -20,7 +20,7 @@ fn aoc2019_all(c: &mut Criterion) {
 
 criterion_group! {
     name = all_days;
-    config = Criterion::default().sample_size(10);
+    config = Criterion::default().sample_size(30);
     targets = aoc2019_all
 }
 criterion_main!(all_days);