diff --git a/unpub/CHANGELOG.md b/unpub/CHANGELOG.md
index 5ff11d39..0617e1c0 100644
--- a/unpub/CHANGELOG.md
+++ b/unpub/CHANGELOG.md
@@ -1,3 +1,18 @@
+## 2.1.0
+
+- https://github.com/bytedance/unpub/pull/85
+- https://github.com/bytedance/unpub/pull/80
+- https://github.com/bytedance/unpub/pull/70
+- https://github.com/bytedance/unpub/pull/66
+- https://github.com/bytedance/unpub/pull/60
+- https://github.com/bytedance/unpub/pull/53
+- https://github.com/bytedance/unpub/pull/51
+- https://github.com/bytedance/unpub/pull/50
+- https://github.com/bytedance/unpub/pull/48
+- https://github.com/bytedance/unpub/pull/47
+- https://github.com/bytedance/unpub/pull/38
+- https://github.com/bytedance/unpub/pull/35
+
 ## 2.0.0
 
 - Supports NNBD
diff --git a/unpub/lib/src/package_store.dart b/unpub/lib/src/package_store.dart
index ed50aa14..5b77fdb0 100644
--- a/unpub/lib/src/package_store.dart
+++ b/unpub/lib/src/package_store.dart
@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:typed_data';
 
 abstract class PackageStore {
   bool supportsDownloadUrl = false;
@@ -11,5 +12,5 @@ abstract class PackageStore {
     throw 'download not implemented';
   }
 
-  Future<void> upload(String name, String version, List<int> content);
+  Future<void> upload(String name, String version, Uint8List content);
 }
diff --git a/unpub/lib/unpub_api/pubspec.yaml b/unpub/lib/unpub_api/pubspec.yaml
index 41eec1d5..23d1c5dd 100644
--- a/unpub/lib/unpub_api/pubspec.yaml
+++ b/unpub/lib/unpub_api/pubspec.yaml
@@ -1,4 +1,8 @@
 name: unpub_api
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
+dependencies:
+  json_annotation: ^4.8.1
+dev_dependencies:
+  json_serializable: ^6.7.1
diff --git a/unpub/pubspec.yaml b/unpub/pubspec.yaml
index 86bd96c3..58c181fb 100644
--- a/unpub/pubspec.yaml
+++ b/unpub/pubspec.yaml
@@ -1,33 +1,34 @@
 name: unpub
 description: Self-hosted private Dart Pub server for Enterprise, with a simple web interface to search and view packages information.
-version: 2.0.1-dev.0
+version: 2.1.0
 homepage: https://github.com/bytedance/unpub
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
 executables:
   unpub: unpub
 dependencies:
-  args: ^2.2.0
-  shelf: ^1.2.0
-  shelf_router: ^1.1.1
-  http_parser: ^4.0.0
-  http: ^0.13.3
-  archive: ^3.1.2
-  logging: ^1.0.1
-  meta: ^1.1.7
-  googleapis: ^4.0.0
-  yaml: ^3.1.0
-  pub_semver: ^2.0.0
-  json_annotation: ^4.1.0
-  mongo_dart: ^0.7.1
-  mime: ^1.0.0
-  intl: ^0.17.0
-  path: ^1.6.2
-  collection: ^1.15.0
-  shelf_cors_headers: ^0.1.2
+  args: ^2.4.2
+  shelf: ^1.4.1
+  shelf_cors_headers: ^0.1.5
+  shelf_router: ^1.1.4
+  http_parser: ^4.0.2
+  http: ^1.2.1
+  archive: ^3.4.10
+  logging: ^1.2.0
+  meta: ^1.12.0
+  googleapis: ^13.1.0
+  yaml: ^3.1.2
+  pub_semver: ^2.1.4
+  json_annotation: ^4.8.1
+  mongo_dart: ^0.10.1
+  mime: ^1.0.5
+  intl: ^0.19.0
+  path: ^1.9.0
+  collection: ^1.18.0
 dev_dependencies:
-  test: ^1.6.1
-  build_runner: ^2.1.1
-  json_serializable: ^5.0.0
-  shelf_router_generator: ^1.0.1
-  chunked_stream: ^1.4.1
+  analyzer: ^6.4.1
+  test: ^1.25.2
+  build_runner: ^2.4.9
+  json_serializable: ^6.7.1
+  shelf_router_generator: ^1.1.0
+  chunked_stream: ^1.4.2
diff --git a/unpub/test/fixtures/package_0/0.0.1/pubspec.yaml b/unpub/test/fixtures/package_0/0.0.1/pubspec.yaml
index f0e9949f..625542e8 100644
--- a/unpub/test/fixtures/package_0/0.0.1/pubspec.yaml
+++ b/unpub/test/fixtures/package_0/0.0.1/pubspec.yaml
@@ -3,4 +3,4 @@ description: test
 version: 0.0.1
 homepage: https://example.com
 environment:
-  sdk: ">=2.0.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
diff --git a/unpub/test/fixtures/package_0/0.0.2/pubspec.yaml b/unpub/test/fixtures/package_0/0.0.2/pubspec.yaml
index 9fabf2fe..66eb1bad 100644
--- a/unpub/test/fixtures/package_0/0.0.2/pubspec.yaml
+++ b/unpub/test/fixtures/package_0/0.0.2/pubspec.yaml
@@ -3,4 +3,4 @@ description: test
 version: 0.0.2
 homepage: https://example.com
 environment:
-  sdk: ">=2.0.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
diff --git a/unpub/test/fixtures/package_0/0.0.3+1/pubspec.yaml b/unpub/test/fixtures/package_0/0.0.3+1/pubspec.yaml
index 4a10d13c..bcfd5ba2 100644
--- a/unpub/test/fixtures/package_0/0.0.3+1/pubspec.yaml
+++ b/unpub/test/fixtures/package_0/0.0.3+1/pubspec.yaml
@@ -3,4 +3,4 @@ description: test
 version: 0.0.3+1
 homepage: https://example.com
 environment:
-  sdk: ">=2.0.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
diff --git a/unpub/test/fixtures/package_0/0.0.3/pubspec.yaml b/unpub/test/fixtures/package_0/0.0.3/pubspec.yaml
index 1d4fd314..27770ea7 100644
--- a/unpub/test/fixtures/package_0/0.0.3/pubspec.yaml
+++ b/unpub/test/fixtures/package_0/0.0.3/pubspec.yaml
@@ -3,4 +3,4 @@ description: test
 version: 0.0.3
 homepage: https://example.com
 environment:
-  sdk: ">=2.0.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
diff --git a/unpub/test/fixtures/package_0/1.0.0-noreadme/pubspec.yaml b/unpub/test/fixtures/package_0/1.0.0-noreadme/pubspec.yaml
index ae925aca..be275e27 100644
--- a/unpub/test/fixtures/package_0/1.0.0-noreadme/pubspec.yaml
+++ b/unpub/test/fixtures/package_0/1.0.0-noreadme/pubspec.yaml
@@ -3,4 +3,4 @@ description: test
 version: 1.0.0-noreadme
 homepage: https://example.com
 environment:
-  sdk: ">=2.0.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
diff --git a/unpub/test/fixtures/package_0/1.0.0/pubspec.yaml b/unpub/test/fixtures/package_0/1.0.0/pubspec.yaml
index 01a242f3..e95c473f 100644
--- a/unpub/test/fixtures/package_0/1.0.0/pubspec.yaml
+++ b/unpub/test/fixtures/package_0/1.0.0/pubspec.yaml
@@ -3,4 +3,4 @@ description: test
 version: 1.0.0
 homepage: https://example.com
 environment:
-  sdk: ">=2.0.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
diff --git a/unpub/test/fixtures/package_1/0.0.1/pubspec.yaml b/unpub/test/fixtures/package_1/0.0.1/pubspec.yaml
index 38f0ebeb..6b01592e 100644
--- a/unpub/test/fixtures/package_1/0.0.1/pubspec.yaml
+++ b/unpub/test/fixtures/package_1/0.0.1/pubspec.yaml
@@ -3,4 +3,4 @@ description: test
 version: 0.0.1
 homepage: https://example.com
 environment:
-  sdk: ">=2.0.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
diff --git a/unpub_auth/pubspec.yaml b/unpub_auth/pubspec.yaml
index 957edc5e..91c2abc7 100644
--- a/unpub_auth/pubspec.yaml
+++ b/unpub_auth/pubspec.yaml
@@ -4,21 +4,21 @@ version: 0.1.0+3
 homepage: https://github.com/bytedance/unpub
 
 environment:
-  sdk: '>=2.15.0 <3.0.0'
+  sdk: '>=2.15.0 <4.0.0'
 
 executables:
   unpub_auth:
 
 dependencies:
-  collection: ^1.15.0
+  collection: ^1.18.0
   path: ^1.8.1
-  http: ^0.13.4
-  shelf: ^1.2.0
-  http_multi_server: ^3.0.1
-  oauth2: ^2.0.0
-  args: ^2.3.0
+  http: ^1.2.1
+  shelf: ^1.4.1
+  http_multi_server: ^3.2.1
+  oauth2: ^2.0.2
+  args: ^2.4.2
   console: ^4.1.0
 
 dev_dependencies:
-  lints: ^1.0.0
-  test: ^1.16.0
+  lints: ^3.0.0
+  test: ^1.25.2
diff --git a/unpub_auth/unpub_auth.iml b/unpub_auth/unpub_auth.iml
index 0931c291..af072443 100644
--- a/unpub_auth/unpub_auth.iml
+++ b/unpub_auth/unpub_auth.iml
@@ -1,12 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module type="WEB_MODULE" version="4">
+<module type="JAVA_MODULE" version="4">
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/bin" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/lib" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/.dart_tool" />
       <excludeFolder url="file://$MODULE_DIR$/.pub" />
       <excludeFolder url="file://$MODULE_DIR$/build" />
-      <excludeFolder url="file://$MODULE_DIR$/.dart_tool" />
     </content>
+    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Dart SDK" level="project" />
     <orderEntry type="library" name="Dart Packages" level="project" />
diff --git a/unpub_aws/lib/s3/s3_file_store.dart b/unpub_aws/lib/s3/s3_file_store.dart
index a3d1044d..0b2dca31 100644
--- a/unpub_aws/lib/s3/s3_file_store.dart
+++ b/unpub_aws/lib/s3/s3_file_store.dart
@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:cli';
 import 'dart:io';
+import 'dart:typed_data';
 
 import 'package:minio/minio.dart';
 import 'package:unpub/unpub.dart';
@@ -52,7 +53,7 @@ class S3Store extends PackageStore {
   @override
   Future<void> upload(String name, String version, List<int> content) async {
     await minio!.putObject(
-        bucketName, _getObjectKey(name, version), Stream.value(content));
+        bucketName, _getObjectKey(name, version), Stream.value(Uint8List.fromList(content)));
   }
 
   @override
diff --git a/unpub_aws/pubspec.yaml b/unpub_aws/pubspec.yaml
index 16436844..36b196ac 100644
--- a/unpub_aws/pubspec.yaml
+++ b/unpub_aws/pubspec.yaml
@@ -3,21 +3,24 @@ description: A collection of modules to use for deploying unpub into AWS infrast
 version: 0.1.0
 homepage: https://github.com/bytedance/unpub
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.12.0 <4.0.0"
 
 dependencies:
-  unpub: ^2.0.0
-  minio: ^3.0.0
-  http: ^0.13.3
+  unpub: ^2.1.0
+  minio: ^3.5.0
+  http: ^1.2.1
 
 dev_dependencies:
-  lints: ^1.0.0
-  test: ^1.17.12
-  chunked_stream: ^1.4.1
-  mockito: ^5.0.16
-  build_runner: ^2.1.2
-  path: ^1.8.0
-  json_annotation: ^4.1.0
-# dependency_overrides:
-#   unpub:
-#     path: ../unpub
+  lints: ^3.0.0
+  test: ^1.25.2
+  chunked_stream: ^1.4.2
+  mockito: ^5.4.4
+  build_runner: ^2.4.9
+  path: ^1.9.0
+  json_annotation: ^4.8.1
+
+dependency_overrides:
+  unpub:
+    path: ../unpub
+  http: ^1.2.1
+  intl: ^0.19.0