diff --git a/CHANGELOG.md b/CHANGELOG.md
index 837f877..55bc925 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## version 1.0.0
+_2023-02-27_
+
+* Add support for Ingest API and Ingest format
+* Event collector and keen format are no longer supported
+* New intialization APIs with removed initWithEndpoint: API
+
 ## version 0.9.0
 _2022-09-29_
 
diff --git a/Package.swift b/Package.swift
index 4010332..1567206 100644
--- a/Package.swift
+++ b/Package.swift
@@ -6,7 +6,7 @@ let package = Package(
     name: "TreasureData-iOS-SDK",
     platforms: [
         .iOS(.v12),
-        .tvOS(.v9)
+        .tvOS(.v12)
     ],
     products: [
         .library(
@@ -14,7 +14,7 @@ let package = Package(
             targets: ["TreasureData_iOS_SDK"]),
     ],
     dependencies: [
-        .package(url: "https://github.com/treasure-data/KeenClient-iOS.git", .exact("3.9.0")),
+        .package(url: "https://github.com/treasure-data/KeenClient-iOS.git", .exact("4.0.0")),
         .package(url: "https://github.com/nicklockwood/GZIP.git", .upToNextMajor(from: "1.3.0"))
     ],
     targets: [
diff --git a/README.md b/README.md
index 948b8ab..cde4d7c 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ $ gem install cocoapods
 Next, add this line in your Podfile.
 
 ```
-pod 'TreasureData-iOS-SDK', '= 0.9.0'
+pod 'TreasureData-iOS-SDK', '= 1.0.0'
 ```
 
 Add this line to your Podfile (usually at the beginning of the file).
@@ -50,7 +50,7 @@ You can install either via Xcode: File > Swift Packages > Add Package Dependency
 
 Or add this line to `dependencies` array in Package.swift file:
 ```
-.package(url: "https://github.com/treasure-data/td-ios-sdk.git", .upToNextMajor(from: "0.9.0"))
+.package(url: "https://github.com/treasure-data/td-ios-sdk.git", .upToNextMajor(from: "1.0.0"))
 ```
 
 ### Framework
diff --git a/TreasureData-iOS-SDK.podspec b/TreasureData-iOS-SDK.podspec
index 09e6ee3..d2b2722 100644
--- a/TreasureData-iOS-SDK.podspec
+++ b/TreasureData-iOS-SDK.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "TreasureData-iOS-SDK"
-  s.version      = "0.9.0"
+  s.version      = "1.0.0"
   s.summary      = "TreasureData SDK for iOS."
   s.license      = "Apache"
   s.authors      = { "mitsu" => "mitsu@treasure-data.com",
@@ -13,7 +13,7 @@ Pod::Spec.new do |s|
   s.library      = 'z'
   s.frameworks   = 'Security', 'StoreKit'
   s.public_header_files = ["TreasureData/TreasureData.h", "TreasureData/TDClient.h", "TreasureData/TDRequestOptionsKey.h"]
-  s.dependency "KeenClientTD", '= 3.9.0'
+  s.dependency "KeenClientTD", '= 4.0.0'
   s.dependency "GZIP", '= 1.3.0'
   s.requires_arc = true
 end
diff --git a/TreasureData/TDClient.m b/TreasureData/TDClient.m
index 9e14a3f..addad27 100644
--- a/TreasureData/TDClient.m
+++ b/TreasureData/TDClient.m
@@ -13,7 +13,7 @@
 #import "TDClient.h"
 @import GZIP;
 
-static NSString *version = @"0.9.0";
+static NSString *version = @"1.0.0";
 
 @implementation TDClient