diff --git a/core/api/system-current.txt b/core/api/system-current.txt
index 74ccbb14f8165..d2115b9cedf86 100644
--- a/core/api/system-current.txt
+++ b/core/api/system-current.txt
@@ -244,6 +244,7 @@ package android {
     field public static final String SET_WALLPAPER_COMPONENT = "android.permission.SET_WALLPAPER_COMPONENT";
     field public static final String SHOW_KEYGUARD_MESSAGE = "android.permission.SHOW_KEYGUARD_MESSAGE";
     field public static final String SHUTDOWN = "android.permission.SHUTDOWN";
+    field public static final String SIGNAL_REBOOT_READINESS = "android.permission.SIGNAL_REBOOT_READINESS";
     field public static final String SOUND_TRIGGER_RUN_IN_BATTERY_SAVER = "android.permission.SOUND_TRIGGER_RUN_IN_BATTERY_SAVER";
     field public static final String START_ACTIVITIES_FROM_BACKGROUND = "android.permission.START_ACTIVITIES_FROM_BACKGROUND";
     field public static final String START_FOREGROUND_SERVICES_FROM_BACKGROUND = "android.permission.START_FOREGROUND_SERVICES_FROM_BACKGROUND";
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 856657ad8b563..559031250ebf1 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -5452,6 +5452,13 @@
     <permission android:name="android.permission.MANAGE_GAME_MODE"
                 android:protectionLevel="signature" />
 
+    <!-- @SystemApi Allows the holder to register callbacks to inform the RebootReadinessManager
+         when they are performing reboot-blocking work.
+         @hide -->
+    <permission android:name="android.permission.SIGNAL_REBOOT_READINESS"
+                android:protectionLevel="signature|privileged" />
+
+
     <!-- Attribution for Geofencing service. -->
     <attribution android:tag="GeofencingService" android:label="@string/geofencing_service"/>
     <!-- Attribution for Country Detector. -->
diff --git a/data/etc/privapp-permissions-platform.xml b/data/etc/privapp-permissions-platform.xml
index 0484a9ab582e0..403dc65abbf5a 100644
--- a/data/etc/privapp-permissions-platform.xml
+++ b/data/etc/privapp-permissions-platform.xml
@@ -474,6 +474,8 @@ applications that come with the platform
         <!-- Permission required for GTS test - GtsAssistIntentTestCases -->
         <permission name="android.permission.MANAGE_SOUND_TRIGGER" />
         <permission name="android.permission.CAPTURE_AUDIO_HOTWORD" />
+        <!-- Permission required for CTS test - CtsRebootReadinessTestCases -->
+        <permission name="android.permission.SIGNAL_REBOOT_READINESS" />
     </privapp-permissions>
 
     <privapp-permissions package="com.android.statementservice">
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index eab0990bb8680..e129924b07249 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -400,6 +400,9 @@
     <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES" />
     <uses-permission android:name="android.permission.DOWNLOAD_WITHOUT_NOTIFICATION" />
 
+    <!-- Permission required for CTS test - CtsRebootReadinessTestCases -->
+    <uses-permission android:name="android.permission.SIGNAL_REBOOT_READINESS" />
+
     <application android:label="@string/app_label"
                 android:theme="@android:style/Theme.DeviceDefault.DayNight"
                 android:defaultToDeviceProtectedStorage="true"