diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsTransientTaskbar.java b/quickstep/tests/src/com/android/quickstep/TaplTestsTransientTaskbar.java
index 38d6046828..d04e389975 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsTransientTaskbar.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsTransientTaskbar.java
@@ -17,6 +17,8 @@ package com.android.quickstep;
 
 import static com.android.launcher3.Flags.enableCursorHoverStates;
 import static com.android.launcher3.util.TestConstants.AppNames.TEST_APP_NAME;
+import static com.android.launcher3.util.rule.TestStabilityRule.LOCAL;
+import static com.android.launcher3.util.rule.TestStabilityRule.PLATFORM_POSTSUBMIT;
 import static com.android.quickstep.TaskbarModeSwitchRule.Mode.TRANSIENT;
 
 import static org.junit.Assume.assumeTrue;
@@ -26,6 +28,7 @@ import androidx.test.runner.AndroidJUnit4;
 
 import com.android.launcher3.ui.PortraitLandscapeRunner.PortraitLandscape;
 import com.android.launcher3.util.rule.ScreenRecordRule.ScreenRecord;
+import com.android.launcher3.util.rule.TestStabilityRule;
 import com.android.quickstep.TaskbarModeSwitchRule.TaskbarModeSwitch;
 
 import org.junit.Test;
@@ -71,6 +74,7 @@ public class TaplTestsTransientTaskbar extends AbstractTaplTestsTaskbar {
     @TaskbarModeSwitch(mode = TRANSIENT)
     @PortraitLandscape
     @ScreenRecord // b/317798731
+    @TestStabilityRule.Stability(flavors = LOCAL | PLATFORM_POSTSUBMIT) // b/321083190
     public void testSwipeToStashAndUnstash() {
         getTaskbar().swipeDownToStash();
         mLauncher.getLaunchedAppState().swipeUpToUnstashTaskbar();