diff --git a/neuralnetworks/1.3/Android.bp b/neuralnetworks/1.3/Android.bp
index 8e3e9f1..0b07a58 100644
--- a/neuralnetworks/1.3/Android.bp
+++ b/neuralnetworks/1.3/Android.bp
@@ -9,6 +9,7 @@
     srcs: [
         "types.hal",
         "IDevice.hal",
+        "IPreparedModel.hal",
         "IPreparedModelCallback.hal",
     ],
     interfaces: [