diff --git a/LineSDK/LineSDK/Crypto/JWT/JWTCoder.swift b/LineSDK/LineSDK/Crypto/JWT/JWTCoder.swift
index dd5807a7..c82d7fff 100644
--- a/LineSDK/LineSDK/Crypto/JWT/JWTCoder.swift
+++ b/LineSDK/LineSDK/Crypto/JWT/JWTCoder.swift
@@ -22,7 +22,7 @@
 import Foundation
 
 // A customize JSON decoder to decode from base64URL strings.
-class Base64JSONDecoder: JSONDecoder {
+class Base64JSONDecoder: JSONDecoder, @unchecked Sendable {
     override func decode<T>(_ type: T.Type, from data: Data) throws -> T where T : Decodable {
         guard let string = String(data: data, encoding: .ascii) else {
             throw CryptoError.generalError(reason: .dataConversionFailed(data: data, encoding: .ascii))
diff --git a/LineSDK/LineSDK/LineSDKUI/SharingUI/PageViewController/PageTabView.swift b/LineSDK/LineSDK/LineSDKUI/SharingUI/PageViewController/PageTabView.swift
index 7934e6ad..031987a2 100644
--- a/LineSDK/LineSDK/LineSDKUI/SharingUI/PageViewController/PageTabView.swift
+++ b/LineSDK/LineSDK/LineSDKUI/SharingUI/PageViewController/PageTabView.swift
@@ -138,7 +138,7 @@ class PageTabView: UIView {
 
     weak var delegate: PageTabViewDelegate?
 
-    private (set) var selectedIndex: Int = 0
+    private(set) var selectedIndex: Int = 0
 
     private let countOfTabs: Int
 
diff --git a/LineSDK/LineSDK/LineSDKUI/SharingUI/TargetSearch/ShareTargetSearchResultViewController.swift b/LineSDK/LineSDK/LineSDKUI/SharingUI/TargetSearch/ShareTargetSearchResultViewController.swift
index a99a33b4..68a42fba 100644
--- a/LineSDK/LineSDK/LineSDKUI/SharingUI/TargetSearch/ShareTargetSearchResultViewController.swift
+++ b/LineSDK/LineSDK/LineSDKUI/SharingUI/TargetSearch/ShareTargetSearchResultViewController.swift
@@ -43,7 +43,7 @@ class ShareTargetSearchResultViewController: UIViewController {
     private let store: ColumnDataStore<ShareTarget>
     private let tableViewController: ShareTargetSearchResultTableViewController
 
-    private (set) lazy var panelViewController = SelectedTargetPanelViewController(store: store)
+    private(set) lazy var panelViewController = SelectedTargetPanelViewController(store: store)
     private let panelContainer = UILayoutGuide()
 
     private let emptyResultLabel: UILabel