diff --git a/crates/canvas/src/layout.rs b/crates/canvas/src/layout.rs
index 32dd575984df69355992d084f63f7a756df42829..5c898dd3d051943e51b4732bd092a8e9bc475483 100644
--- a/crates/canvas/src/layout.rs
+++ b/crates/canvas/src/layout.rs
@@ -502,7 +502,7 @@ impl TextEngine {
         }
         static NEXT_ID: AtomicU64 = AtomicU64::new(0);
         let id = NEXT_ID
-            .fetch_update(Ordering::Relaxed, Ordering::Relaxed, |id| id.checked_add(1))
+            .try_update(Ordering::Relaxed, Ordering::Relaxed, |id| id.checked_add(1))
             .expect("Text layout identities exhausted");
         Ok(TextLayout {
             id,
diff --git a/crates/notebook/src/lib.rs b/crates/notebook/src/lib.rs
index d2de81f25a5e92a2451481aefa3a0b93f16e8190..b8187f649c656f1be58983c7c5a6f044cfbb9afc 100644
--- a/crates/notebook/src/lib.rs
+++ b/crates/notebook/src/lib.rs
@@ -528,7 +528,7 @@ pub(crate) fn now() -> u64 {
     let clock =
         (unix.as_secs() + 11_644_473_600) * 10_000_000 + u64::from(unix.subsec_nanos() / 100);
     let previous = LAST
-        .fetch_update(Ordering::Relaxed, Ordering::Relaxed, |last| {
+        .try_update(Ordering::Relaxed, Ordering::Relaxed, |last| {
             Some(clock.max(last + 1))
         })
         .unwrap_or_default();