diff --git a/release/nightly_tests/nightly_tests.yaml b/release/nightly_tests/nightly_tests.yaml
index 5b005ea88..8c20382f9 100644
--- a/release/nightly_tests/nightly_tests.yaml
+++ b/release/nightly_tests/nightly_tests.yaml
@@ -294,6 +294,7 @@
       timeout: 3600
       prepare: python wait_cluster.py 5 600
       script: python stress_tests/test_threaded_actors.py --test-runtime 1800 --kill-interval_s 30
+  stable: false
 
 - name: k8s_threaded_actors_stress_test
   team: core