diff --git a/engine/src/flutter/tools/debugger/BUILD.gn b/engine/src/flutter/tools/debugger/BUILD.gn
index 72a4a1b076..91e581fa1d 100644
--- a/engine/src/flutter/tools/debugger/BUILD.gn
+++ b/engine/src/flutter/tools/debugger/BUILD.gn
@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//mojo/public/mojo_application.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 group("debugger") {
@@ -13,7 +14,7 @@ group("debugger") {
   ]
 }
 
-shared_library("sky_debugger") {
+mojo_native_application("sky_debugger") {
   sources = [
     "debugger.cc",
     "debugger.h",
diff --git a/engine/src/flutter/tools/debugger/prompt/BUILD.gn b/engine/src/flutter/tools/debugger/prompt/BUILD.gn
index ff6f82bd47..59e8271735 100644
--- a/engine/src/flutter/tools/debugger/prompt/BUILD.gn
+++ b/engine/src/flutter/tools/debugger/prompt/BUILD.gn
@@ -2,7 +2,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-shared_library("prompt") {
+import("//mojo/public/mojo_application.gni")
+
+mojo_native_application("prompt") {
   output_name = "sky_debugger_prompt"
 
   sources = [
diff --git a/engine/src/flutter/tools/tester/BUILD.gn b/engine/src/flutter/tools/tester/BUILD.gn
index 36fedc91ff..e766510efa 100644
--- a/engine/src/flutter/tools/tester/BUILD.gn
+++ b/engine/src/flutter/tools/tester/BUILD.gn
@@ -2,7 +2,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-shared_library("tester") {
+import("//mojo/public/mojo_application.gni")
+
+mojo_native_application("tester") {
   output_name = "sky_tester"
 
   sources = [