diff --git a/tests/benchmark/Android.bp b/tests/benchmark/Android.bp
index dac4993..9c512bf 100644
--- a/tests/benchmark/Android.bp
+++ b/tests/benchmark/Android.bp
@@ -26,6 +26,7 @@
     sdk_version: "test_current",
     use_embedded_native_libs: true,
     compile_multilib: "64",
+    host_required: ["MicrodroidTestPreparer"],
 }
 
 cc_library_shared {
diff --git a/tests/hostside/Android.bp b/tests/hostside/Android.bp
index 248755f..c71a8ec 100644
--- a/tests/hostside/Android.bp
+++ b/tests/hostside/Android.bp
@@ -75,4 +75,5 @@
         "libsparse",
         "libz",
     ],
+    required: ["MicrodroidTestPreparer"],
 }