diff --git a/authsecret/aidl/Android.bp b/authsecret/aidl/Android.bp
index 0a05034..8fe9f27 100644
--- a/authsecret/aidl/Android.bp
+++ b/authsecret/aidl/Android.bp
@@ -1,3 +1,12 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
 aidl_interface {
     name: "android.hardware.authsecret",
     vendor_available: true,
diff --git a/authsecret/aidl/default/Android.bp b/authsecret/aidl/default/Android.bp
index 44e0711..a6c0bc4 100644
--- a/authsecret/aidl/default/Android.bp
+++ b/authsecret/aidl/default/Android.bp
@@ -14,6 +14,15 @@
 // limitations under the License.
 //
 
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
 cc_binary {
     name: "android.hardware.authsecret-service.example",
     relative_install_path: "hw",
diff --git a/authsecret/aidl/vts/Android.bp b/authsecret/aidl/vts/Android.bp
index 29b3bcc..dca7046 100644
--- a/authsecret/aidl/vts/Android.bp
+++ b/authsecret/aidl/vts/Android.bp
@@ -14,6 +14,15 @@
 // limitations under the License.
 //
 
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
 cc_test {
     name: "VtsHalAuthSecretTargetTest",
     defaults: [