diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardViewController.java b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardViewController.java
index ec4cf2fd8bd46..24b893340ae01 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsKeyguardViewController.java
@@ -510,6 +510,7 @@ public class UdfpsKeyguardViewController extends UdfpsAnimationViewController<Ud
                     mKeyguardViewManager.isBouncerInTransit() ? BouncerPanelExpansionCalculator
                             .aboutToShowBouncerProgress(fraction) : fraction;
             updateAlpha();
+            updatePauseAuth();
         }
     };
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/biometrics/UdfpsKeyguardViewControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/biometrics/UdfpsKeyguardViewControllerTest.java
index 0fdd9054e4bc6..b61bda8edd10c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/biometrics/UdfpsKeyguardViewControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/biometrics/UdfpsKeyguardViewControllerTest.java
@@ -21,6 +21,7 @@ import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.atLeast;
+import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.reset;
@@ -468,6 +469,40 @@ public class UdfpsKeyguardViewControllerTest extends SysuiTestCase {
         verify(mView).setUnpausedAlpha(255);
     }
 
+    @Test
+    public void testUpdatePanelExpansion_pauseAuth() {
+        // GIVEN view is attached + on the keyguard
+        mController.onViewAttached();
+        captureStatusBarStateListeners();
+        captureStatusBarExpansionListeners();
+        sendStatusBarStateChanged(StatusBarState.KEYGUARD);
+        reset(mView);
+
+        // WHEN panelViewExpansion changes to hide
+        when(mView.getUnpausedAlpha()).thenReturn(0);
+        updateStatusBarExpansion(0f, false);
+
+        // THEN pause auth is updated to PAUSE
+        verify(mView, atLeastOnce()).setPauseAuth(true);
+    }
+
+    @Test
+    public void testUpdatePanelExpansion_unpauseAuth() {
+        // GIVEN view is attached + on the keyguard + panel expansion is 0f
+        mController.onViewAttached();
+        captureStatusBarStateListeners();
+        captureStatusBarExpansionListeners();
+        sendStatusBarStateChanged(StatusBarState.KEYGUARD);
+        reset(mView);
+
+        // WHEN panelViewExpansion changes to expanded
+        when(mView.getUnpausedAlpha()).thenReturn(255);
+        updateStatusBarExpansion(1f, true);
+
+        // THEN pause auth is updated to NOT pause
+        verify(mView, atLeastOnce()).setPauseAuth(false);
+    }
+
     private void sendStatusBarStateChanged(int statusBarState) {
         mStatusBarStateListener.onStateChanged(statusBarState);
     }