diff --git a/libwvdrmengine/apex/Android.bp b/libwvdrmengine/apex/Android.bp
index e7d035f8..35173df5 100644
--- a/libwvdrmengine/apex/Android.bp
+++ b/libwvdrmengine/apex/Android.bp
@@ -18,6 +18,7 @@ package {
     // all of the 'license_kinds' from "vendor_widevine_license"
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
+    //   legacy_proprietary (by exception only)
     default_applicable_licenses: ["vendor_widevine_license"],
 }
 
@@ -110,4 +111,4 @@ prebuilt_etc {
     src: "allowlist_com.google.android.widevine.xml",
     vendor: true,
     sub_dir: "sysconfig",
-}
\ No newline at end of file
+}
diff --git a/libwvdrmengine/factory_upload_tool/Android.bp b/libwvdrmengine/factory_upload_tool/Android.bp
index 0fda3eee..74603877 100644
--- a/libwvdrmengine/factory_upload_tool/Android.bp
+++ b/libwvdrmengine/factory_upload_tool/Android.bp
@@ -5,6 +5,7 @@ package {
     // to get the below license kinds:
     //   SPDX-license-identifier-Apache-2.0
     //   legacy_by_exception_only (by exception only)
+    //   legacy_proprietary (by exception only)
     default_applicable_licenses: ["vendor_widevine_license"],
 }