diff --git a/vello_tests/tests/known_issues.rs b/vello_tests/tests/known_issues.rs
index 2bc16e101..f27d83e57 100644
--- a/vello_tests/tests/known_issues.rs
+++ b/vello_tests/tests/known_issues.rs
@@ -53,8 +53,10 @@ fn many_bins(use_cpu: bool) {
     assert!(black_count > 0);
 }
 
+// With wgpu 23, this started mysteriously working on macOS (and only on macOS).
 #[test]
 #[cfg_attr(skip_gpu_tests, ignore)]
+#[cfg_attr(target_os = "macos", should_panic)]
 fn many_bins_gpu() {
     many_bins(false);
 }