diff --git a/lib/grpc_connection_interface.dart b/lib/grpc_connection_interface.dart
index 6a7ea16..37bf3d6 100644
--- a/lib/grpc_connection_interface.dart
+++ b/lib/grpc_connection_interface.dart
@@ -24,6 +24,8 @@ export 'src/client/options.dart' show ChannelOptions;
 export 'src/client/transport/transport.dart'
     show GrpcTransportStream, ErrorHandler;
 
+export 'src/shared/codec.dart';
+export 'src/shared/codec_registry.dart';
 export 'src/shared/message.dart' show frame, GrpcMessage, grpcDecompressor;
 export 'src/shared/status.dart' show GrpcError;
 export 'src/shared/streams.dart' show GrpcHttpDecoder;