diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/Reason.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/Reason.aidl
index a315438..b285337 100644
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/Reason.aidl
+++ b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/Reason.aidl
@@ -43,4 +43,5 @@
   ENDPOINT_GONE,
   ENDPOINT_CRASHED,
   HUB_RESET,
+  PERMISSION_DENIED,
 }
diff --git a/contexthub/aidl/android/hardware/contexthub/Reason.aidl b/contexthub/aidl/android/hardware/contexthub/Reason.aidl
index 65d9f8a..8a86f94 100644
--- a/contexthub/aidl/android/hardware/contexthub/Reason.aidl
+++ b/contexthub/aidl/android/hardware/contexthub/Reason.aidl
@@ -63,4 +63,9 @@
      * Hub was reset or is resetting.
      */
     HUB_RESET,
+
+    /**
+     * The caller does not have the required permissions.
+     */
+    PERMISSION_DENIED,
 }