diff --git a/lisa/microsoft/testsuites/stress/tlb_stress.py b/lisa/microsoft/testsuites/stress/tlb_stress.py
index bc3ef10a4c..fa4253dc33 100644
--- a/lisa/microsoft/testsuites/stress/tlb_stress.py
+++ b/lisa/microsoft/testsuites/stress/tlb_stress.py
@@ -529,7 +529,7 @@ def run_stress_with_monitoring(
 
             # Wait for perf monitoring to complete with extended timeout
             if perf_monitor_process:
-                perf_result = perf_monitor_process.wait_result(timeout=300)
+                perf_result = perf_monitor_process.wait_result(timeout=duration + 30)
 
                 # Parse supported events with fallback
                 if event_support.get("dTLB-load-misses", False):
diff --git a/lisa/microsoft/testsuites/stress/tlb_stress_suite.py b/lisa/microsoft/testsuites/stress/tlb_stress_suite.py
index d6f835a658..57f7cc89fd 100644
--- a/lisa/microsoft/testsuites/stress/tlb_stress_suite.py
+++ b/lisa/microsoft/testsuites/stress/tlb_stress_suite.py
@@ -69,7 +69,7 @@ def _calculate_stress_workers(self, node: RemoteNode, base_workers: int = 2) ->
         mapping/unmapping operations combined with stress-ng VM stressors.
         Validates system stability under heavy TLB activity.
         """,
-        priority=4,
+        priority=5,
         requirement=simple_requirement(min_core_count=2, min_memory_mb=1024),
         timeout=TIME_OUT,
     )