diff --git a/tests/foo/1.0/IFoo.hal b/tests/foo/1.0/IFoo.hal
index 4c5442754c..e2426164ce 100644
--- a/tests/foo/1.0/IFoo.hal
+++ b/tests/foo/1.0/IFoo.hal
@@ -21,6 +21,7 @@ import IMyTypes.SomeStruct;
 import ISimple;
 import ITheirTypes.FloatArray;
 
+@SensitiveData // for test
 interface IFoo {
 
     enum SomeBaseEnum : uint8_t {