diff --git a/engine/src/flutter/tools/gen_javadoc.py b/engine/src/flutter/tools/gen_javadoc.py
index 0e5da15bc7a..14c16203869 100755
--- a/engine/src/flutter/tools/gen_javadoc.py
+++ b/engine/src/flutter/tools/gen_javadoc.py
@@ -46,6 +46,14 @@ def main():
     'io.flutter.embedding.android',
     'io.flutter.embedding.engine',
     'io.flutter.embedding.engine.dart',
+    'io.flutter.embedding.engine.loader',
+    'io.flutter.embedding.engine.plugins',
+    'io.flutter.embedding.engine.plugins.activity',
+    'io.flutter.embedding.engine.plugins.broadcastreceiver',
+    'io.flutter.embedding.engine.plugins.contentprovider',
+    'io.flutter.embedding.engine.plugins.lifecycle',
+    'io.flutter.embedding.engine.plugins.service',
+    'io.flutter.embedding.engine.plugins.shim',
     'io.flutter.embedding.engine.renderer',
     'io.flutter.embedding.engine.systemchannels',
     'io.flutter.plugin.common',