diff --git a/data/etc/privapp-permissions-platform.xml b/data/etc/privapp-permissions-platform.xml
index a1c8e13..5b0ef8e 100644
--- a/data/etc/privapp-permissions-platform.xml
+++ b/data/etc/privapp-permissions-platform.xml
@@ -291,6 +291,7 @@
         <permission name="android.permission.MANAGE_DEVICE_ADMINS"/>
         <permission name="android.permission.MANAGE_USB"/>
         <permission name="android.permission.MODIFY_APPWIDGET_BIND_PERMISSIONS"/>
+        <permission name="android.permission.MODIFY_DAY_NIGHT_MODE"/>
         <permission name="android.permission.MODIFY_PHONE_STATE"/>
         <permission name="android.permission.MOUNT_FORMAT_FILESYSTEMS"/>
         <permission name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index ff91c79..d34291d 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -219,6 +219,9 @@
     <uses-permission android:name="android.permission.READ_COMPAT_CHANGE_CONFIG"/>
     <uses-permission android:name="android.permission.OVERRIDE_COMPAT_CHANGE_CONFIG"/>
 
+    <!-- Permission required for CTS test - BatterySaverTest -->
+    <uses-permission android:name="android.permission.MODIFY_DAY_NIGHT_MODE"/>
+
     <!-- Permission required for CTS test - UiModeManagerTest -->
     <uses-permission android:name="android.permission.ENTER_CAR_MODE_PRIORITIZED"/>