diff --git a/hal_rng/src/bin/main.rs b/hal_rng/src/bin/main.rs
index df31b1d..fc3bb38 100644
--- a/hal_rng/src/bin/main.rs
+++ b/hal_rng/src/bin/main.rs
@@ -7,6 +7,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::rng::Rng;
 use embassy_stm32::{bind_interrupts, peripherals, rng};
+use embassy_time::{Duration, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -22,6 +23,11 @@ async fn main(_spawner: Spawner) {
     let mut rng = Rng::new(p.RNG, Irqs);
 
     let mut buf = [0u8; 16];
-    unwrap!(rng.async_fill_bytes(&mut buf).await);
-    info!("random bytes: {:02x}", buf);
+
+    loop {
+        unwrap!(rng.async_fill_bytes(&mut buf).await);
+        info!("random bytes: {:02x}", buf);
+
+        Timer::after(Duration::from_secs(1)).await;
+    }
 }