diff --git a/lib/src/misskey_dart_base.dart b/lib/src/misskey_dart_base.dart
index 4cd6b12e..505c542b 100644
--- a/lib/src/misskey_dart_base.dart
+++ b/lib/src/misskey_dart_base.dart
@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:developer';
 
 import 'package:misskey_dart/misskey_dart.dart';
 import 'package:misskey_dart/src/data/get_avatar_decorations_response.dart';
@@ -558,7 +559,7 @@ class Misskey {
       streamingService.connect(
         channel: Channel.main,
         onChannelEventReceived: (type, response) async {
-          print(response);
+          log(response.toString());
           switch (type) {
             case ChannelEventType.notification:
               await onNotification
diff --git a/lib/src/services/socket_controller.dart b/lib/src/services/socket_controller.dart
index 526a12c3..a80bea5b 100644
--- a/lib/src/services/socket_controller.dart
+++ b/lib/src/services/socket_controller.dart
@@ -79,8 +79,8 @@ class SocketController {
     try {
       webSocketChannel.sink.add(request);
     } catch (e) {
-      print("maybe already disconnected");
-      print(e);
+      log("maybe already disconnected");
+      log(e.toString());
       rethrow;
     } finally {
       onDisconnected?.call(id);
@@ -136,7 +136,7 @@ class SocketController {
         body: body,
       ),
     );
-    print("send[${body.id}]: $request}");
+    log("send[${body.id}]: $request}");
     webSocketChannel.sink.add(request);
   }
 }
diff --git a/lib/src/services/streaming_service.dart b/lib/src/services/streaming_service.dart
index aa0d7500..d4da46d2 100644
--- a/lib/src/services/streaming_service.dart
+++ b/lib/src/services/streaming_service.dart
@@ -181,7 +181,7 @@ class StreamingService {
         ]);
       }
     } catch (e) {
-      print(e);
+      log(e.toString());
     } finally {
       subscription = null;
       _webSocketChannel = null;