diff --git a/light/aidl/Android.bp b/light/aidl/Android.bp
index c9fba95..142be6d 100644
--- a/light/aidl/Android.bp
+++ b/light/aidl/Android.bp
@@ -14,6 +14,7 @@
         "android/hardware/light/*.aidl",
     ],
     stability: "vintf",
+    frozen: true,
     backend: {
         java: {
             sdk_version: "module_current",