diff --git a/java/testing.go b/java/testing.go
index 82aa29b..4000334 100644
--- a/java/testing.go
+++ b/java/testing.go
@@ -70,6 +70,10 @@
 		defaultJavaDir + "/framework/aidl": nil,
 		// Needed for various deps defined in GatherRequiredDepsForTest()
 		defaultJavaDir + "/a.java": nil,
+
+		// Needed for R8 rules on apps
+		"build/make/core/proguard.flags":             nil,
+		"build/make/core/proguard_basic_keeps.flags": nil,
 	}.AddToFixture(),
 	// The java default module definitions.
 	android.FixtureAddTextFile(defaultJavaDir+"/Android.bp", gatherRequiredDepsForTest()),