diff --git a/engine/src/flutter/tools/gen_javadoc.py b/engine/src/flutter/tools/gen_javadoc.py
index f38f059462..28ccbeb1b8 100755
--- a/engine/src/flutter/tools/gen_javadoc.py
+++ b/engine/src/flutter/tools/gen_javadoc.py
@@ -37,6 +37,11 @@ def main():
   ]
   packages = [
     'io.flutter.app',
+    'io.flutter.embedding.android',
+    'io.flutter.embedding.engine',
+    'io.flutter.embedding.engine.dart',
+    'io.flutter.embedding.engine.renderer',
+    'io.flutter.embedding.engine.systemchannels',
     'io.flutter.plugin.common',
     'io.flutter.plugin.editing',
     'io.flutter.plugin.platform',