diff --git a/java/dex.go b/java/dex.go
index 168a231..7b99549 100644
--- a/java/dex.go
+++ b/java/dex.go
@@ -42,11 +42,15 @@
 		// True if the module containing this has it set by default.
 		EnabledByDefault bool `blueprint:"mutated"`
 
+		// Whether to allow that library classes inherit from program classes.
+		// Defaults to false.
+		Ignore_library_extends_program *bool
+
 		// Whether to continue building even if warnings are emitted.  Defaults to true.
 		Ignore_warnings *bool
 
 		// If true, runs R8 in Proguard compatibility mode, otherwise runs R8 in full mode.
-		// Defaults to false for apps, true for libraries and tests.
+		// Defaults to false for apps and tests, true for libraries.
 		Proguard_compatibility *bool
 
 		// If true, optimize for size by removing unused code.  Defaults to true for apps,
@@ -356,6 +360,10 @@
 
 	r8Flags = append(r8Flags, opt.Proguard_flags...)
 
+	if BoolDefault(opt.Ignore_library_extends_program, false) {
+		r8Flags = append(r8Flags, "--ignore-library-extends-program")
+	}
+
 	if BoolDefault(opt.Proguard_compatibility, true) {
 		r8Flags = append(r8Flags, "--force-proguard-compatibility")
 	}