diff --git a/java/platform_bootclasspath.go b/java/platform_bootclasspath.go
index ba758dd..568f5e4 100644
--- a/java/platform_bootclasspath.go
+++ b/java/platform_bootclasspath.go
@@ -140,6 +140,8 @@
 }
 
 func (b *platformBootclasspathModule) DepsMutator(ctx android.BottomUpMutatorContext) {
+	b.hiddenAPIDepsMutator(ctx)
+
 	if SkipDexpreoptBootJars(ctx) {
 		return
 	}
@@ -149,6 +151,16 @@
 	dexpreopt.RegisterToolDeps(ctx)
 }
 
+func (b *platformBootclasspathModule) hiddenAPIDepsMutator(ctx android.BottomUpMutatorContext) {
+	if ctx.Config().IsEnvTrue("UNSAFE_DISABLE_HIDDENAPI_FLAGS") {
+		return
+	}
+
+	// Add dependencies onto the stub lib modules.
+	sdkKindToStubLibModules := hiddenAPIComputeMonolithicStubLibModules(ctx.Config())
+	hiddenAPIAddStubLibDependencies(ctx, sdkKindToStubLibModules)
+}
+
 func platformBootclasspathDepsMutator(ctx android.BottomUpMutatorContext) {
 	m := ctx.Module()
 	if p, ok := m.(*platformBootclasspathModule); ok {
@@ -353,10 +365,24 @@
 	baseFlagsPath := hiddenAPISingletonPaths(ctx).stubFlags
 	ruleToGenerateHiddenApiFlags(ctx, outputPath, baseFlagsPath, moduleSpecificFlagsPaths, flagFileInfo)
 
+	b.generateHiddenAPIStubFlagsRules(ctx, hiddenAPISupportingModules)
 	b.generateHiddenAPIIndexRules(ctx, hiddenAPISupportingModules)
 	b.generatedHiddenAPIMetadataRules(ctx, hiddenAPISupportingModules)
 }
 
+func (b *platformBootclasspathModule) generateHiddenAPIStubFlagsRules(ctx android.ModuleContext, modules []hiddenAPISupportingModule) {
+	bootDexJars := android.Paths{}
+	for _, module := range modules {
+		bootDexJars = append(bootDexJars, module.bootDexJar())
+	}
+
+	sdkKindToStubPaths := hiddenAPIGatherStubLibDexJarPaths(ctx)
+
+	outputPath := hiddenAPISingletonPaths(ctx).stubFlags
+	rule := ruleToGenerateHiddenAPIStubFlagsFile(ctx, outputPath, bootDexJars, sdkKindToStubPaths)
+	rule.Build("platform-bootclasspath-monolithic-hiddenapi-stub-flags", "monolithic hidden API stub flags")
+}
+
 func (b *platformBootclasspathModule) generateHiddenAPIIndexRules(ctx android.ModuleContext, modules []hiddenAPISupportingModule) {
 	indexes := android.Paths{}
 	for _, module := range modules {