diff --git a/graphics/composer/aidl/Android.bp b/graphics/composer/aidl/Android.bp
index 9b88d98..56e6ed2 100644
--- a/graphics/composer/aidl/Android.bp
+++ b/graphics/composer/aidl/Android.bp
@@ -31,6 +31,7 @@
         enabled: true,
         support_system_process: true,
     },
+    frozen: true,
     srcs: [
         "android/hardware/graphics/composer3/*.aidl",
     ],