diff --git a/rust/rust.go b/rust/rust.go
index 245ed2e..668dd8f 100644
--- a/rust/rust.go
+++ b/rust/rust.go
@@ -1063,6 +1063,12 @@
 	return nil
 }
 
+func (d dependencyTag) PropagateAconfigValidation() bool {
+	return d == rlibDepTag || d == sourceDepTag
+}
+
+var _ android.PropagateAconfigValidationDependencyTag = dependencyTag{}
+
 var _ android.LicenseAnnotationsDependencyTag = dependencyTag{}
 
 var (