diff --git a/tests/integration.rs b/tests/integration.rs
index 631d79f..bca45da 100644
--- a/tests/integration.rs
+++ b/tests/integration.rs
@@ -18,7 +18,7 @@ fn reads_stay_consistent_under_constant_writes() {
     let (tx, rx) = channel::<Record>();
     let cfg = Config {
         retain_days: 14,
-        interval: Duration::from_secs(3600), // no maintenance mid-test
+        interval: Duration::from_hours(1), // no maintenance mid-test
     };
     let writer = thread::spawn(move || run_writer(wconn, rx, cfg, Utc::now).unwrap());
 
@@ -83,7 +83,7 @@ fn writer_drops_mirrored_activities() {
     let (tx, rx) = channel::<Record>();
     let cfg = Config {
         retain_days: 14,
-        interval: Duration::from_secs(3600),
+        interval: Duration::from_hours(1),
     };
     let writer = thread::spawn(move || run_writer(wconn, rx, cfg, Utc::now).unwrap());