diff --git a/.github/workflows/buildAndTest.yaml b/.github/workflows/buildAndTest.yaml
index 70eeb8a16f..b1cc75c223 100644
--- a/.github/workflows/buildAndTest.yaml
+++ b/.github/workflows/buildAndTest.yaml
@@ -10,6 +10,11 @@ on:
 permissions:
   contents: read
 
+env:
+  ORG_GRADLE_PROJECT_signingInMemoryKeyId: ${{secrets.ORG_GRADLE_PROJECT_SIGNINGINMEMORYKEYID}}
+  ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{secrets.ORG_GRADLE_PROJECT_SIGNINGINMEMORYKEYPASSWORD}}
+  ORG_GRADLE_PROJECT_signingInMemoryKey: ${{secrets.ORG_GRADLE_PROJECT_SIGNINGINMEMORYKEY}}
+
 jobs:
   build:
     runs-on: macos-latest
diff --git a/demos/demo-android/app/build.gradle b/demos/demo-android/app/build.gradle
index d393ca8552..475728845b 100755
--- a/demos/demo-android/app/build.gradle
+++ b/demos/demo-android/app/build.gradle
@@ -76,7 +76,7 @@ dependencies {
     implementation 'com.jakewharton.timber:timber:5.0.1'
     implementation 'io.coil-kt:coil-compose:2.2.2'
     implementation "io.ktor:ktor-client-cio:$ktor_version"
-    implementation "com.ricoh360.thetaclient:theta-client:1.13.0"
+    implementation "com.ricoh360.thetaclient:theta-client:1.13.1"
 
     testImplementation 'org.junit.jupiter:junit-jupiter:5.9.0'
     testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutines_version"
diff --git a/demos/demo-ios/Podfile b/demos/demo-ios/Podfile
index 4ff66a17be..da27d630f1 100644
--- a/demos/demo-ios/Podfile
+++ b/demos/demo-ios/Podfile
@@ -7,5 +7,5 @@ target 'SdkSample' do
   use_frameworks!
 
   # Pods for SdkSample
-  pod 'THETAClient', '1.13.0'
+  pod 'THETAClient', '1.13.1'
 end
diff --git a/demos/demo-react-native/package.json b/demos/demo-react-native/package.json
index 37ce418c91..f5e05e8ede 100644
--- a/demos/demo-react-native/package.json
+++ b/demos/demo-react-native/package.json
@@ -13,7 +13,7 @@
   "dependencies": {
     "@react-navigation/native": "^6.1.0",
     "@react-navigation/native-stack": "^6.9.5",
-    "theta-client-react-native": "1.13.0",
+    "theta-client-react-native": "1.13.1",
     "react": "18.2.0",
     "react-native": "0.71.14",
     "react-native-safe-area-context": "^4.4.1",
diff --git a/docs/tutorial-android.ja.md b/docs/tutorial-android.ja.md
index a76892fd4b..2dbd3cfaf6 100644
--- a/docs/tutorial-android.ja.md
+++ b/docs/tutorial-android.ja.md
@@ -4,7 +4,7 @@
 
 - モジュールの`build.gradle`の`dependencies`に次を追加します。
   ```
-  implementation "com.ricoh360.thetaclient:theta-client:1.13.0"
+  implementation "com.ricoh360.thetaclient:theta-client:1.13.1"
   ```
 - 本 SDK を使用したアプリケーションが動作するスマートフォンと THETA を無線 LAN 接続しておきます。
 
diff --git a/docs/tutorial-android.md b/docs/tutorial-android.md
index 20b672aafe..869de25bf8 100644
--- a/docs/tutorial-android.md
+++ b/docs/tutorial-android.md
@@ -5,7 +5,7 @@
 - Add following descriptions to the `dependencies` of your module's `build.gradle`.
 
   ```
-  implementation "com.ricoh360.thetaclient:theta-client:1.13.0"
+  implementation "com.ricoh360.thetaclient:theta-client:1.13.1"
   ```
 
 - Connect the wireless LAN between THETA and the smartphone that runs on the application using this SDK.
diff --git a/flutter/android/build.gradle b/flutter/android/build.gradle
index c3e9469591..07b95b37c6 100644
--- a/flutter/android/build.gradle
+++ b/flutter/android/build.gradle
@@ -52,7 +52,7 @@ android {
         testImplementation("org.mockito:mockito-core:5.0.0")
 
         implementation("com.soywiz.korlibs.krypto:krypto:4.0.10")
-        implementation("com.ricoh360.thetaclient:theta-client:1.13.0")
+        implementation("com.ricoh360.thetaclient:theta-client:1.13.1")
     }
 
     testOptions {
diff --git a/flutter/android/src/main/kotlin/com/ricoh360/thetaclient/theta_client_flutter/ConvertUtil.kt b/flutter/android/src/main/kotlin/com/ricoh360/thetaclient/theta_client_flutter/ConvertUtil.kt
index a036bfe660..7425e39298 100644
--- a/flutter/android/src/main/kotlin/com/ricoh360/thetaclient/theta_client_flutter/ConvertUtil.kt
+++ b/flutter/android/src/main/kotlin/com/ricoh360/thetaclient/theta_client_flutter/ConvertUtil.kt
@@ -1253,7 +1253,7 @@ fun toStartedNotifyParam(value: String): Map<String, Any> {
 data class SetAccessPointParams(
     val ssid: String,
     val ssidStealth: Boolean?,
-    val authMode: AuthModeEnum,
+    val authMode: AuthModeEnum?,
     val password: String?,
     val connectionPriority: Int?,
     val dns1: String?,
@@ -1264,9 +1264,7 @@ data class SetAccessPointParams(
 fun toSetAccessPointParams(arguments: Map<*, *>): SetAccessPointParams {
     val ssid = arguments[KEY_SSID] as? String ?: throw IllegalArgumentException(KEY_SSID)
     val ssidStealth = arguments[KEY_SSID_STEALTH] as? Boolean
-    val authMode = (arguments[KEY_AUTH_MODE] as? String?)?.let {
-        AuthModeEnum.valueOf(it)
-    } ?: throw IllegalArgumentException(KEY_AUTH_MODE)
+    val authMode = (arguments[KEY_AUTH_MODE] as? String?)?.let { AuthModeEnum.valueOf(it) }
     val password = arguments[KEY_PASSWORD] as? String
     val connectionPriority = arguments[KEY_CONNECTION_PRIORITY] as? Int
     val dns1 = arguments[KEY_DNS1] as? String
diff --git a/flutter/android/src/main/kotlin/com/ricoh360/thetaclient/theta_client_flutter/ThetaClientFlutterPlugin.kt b/flutter/android/src/main/kotlin/com/ricoh360/thetaclient/theta_client_flutter/ThetaClientFlutterPlugin.kt
index d64ddd859a..b29c65c358 100644
--- a/flutter/android/src/main/kotlin/com/ricoh360/thetaclient/theta_client_flutter/ThetaClientFlutterPlugin.kt
+++ b/flutter/android/src/main/kotlin/com/ricoh360/thetaclient/theta_client_flutter/ThetaClientFlutterPlugin.kt
@@ -459,6 +459,12 @@ class ThetaClientFlutterPlugin : FlutterPlugin, MethodCallHandler {
                 }
             }
 
+            "setAccessPointConnectionPriority" -> {
+                scope.launch {
+                    setAccessPointConnectionPriority(call, result)
+                }
+            }
+
             "deleteAccessPoint" -> {
                 scope.launch {
                     deleteAccessPoint(call, result)
@@ -1758,6 +1764,23 @@ class ThetaClientFlutterPlugin : FlutterPlugin, MethodCallHandler {
         }
     }
 
+    suspend fun setAccessPointConnectionPriority(call: MethodCall, result: Result) {
+        if (thetaRepository == null) {
+            result.error(errorCode, messageNotInit, null)
+            return
+        }
+        try {
+            val arguments = call.arguments as Map<*, *>
+            val ssid = arguments[KEY_SSID] as? String ?: throw IllegalArgumentException(KEY_SSID)
+            val connectionPriority = arguments[KEY_CONNECTION_PRIORITY] as? Int ?: throw IllegalArgumentException(KEY_CONNECTION_PRIORITY)
+            val ssidStealth = arguments[KEY_SSID_STEALTH] as? Boolean ?: throw IllegalArgumentException(KEY_SSID_STEALTH)
+            thetaRepository?.setAccessPointConnectionPriority(ssid, connectionPriority, ssidStealth)
+            result.success(null)
+        } catch (e: Exception) {
+            result.error(e.javaClass.simpleName, e.message, null)
+        }
+    }
+
     suspend fun deleteAccessPoint(call: MethodCall, result: Result) {
         if (thetaRepository == null) {
             result.error(errorCode, messageNotInit, null)
diff --git a/flutter/ios/Classes/ConvertUtil.swift b/flutter/ios/Classes/ConvertUtil.swift
index 5ba6d40eba..f560074310 100644
--- a/flutter/ios/Classes/ConvertUtil.swift
+++ b/flutter/ios/Classes/ConvertUtil.swift
@@ -1456,7 +1456,7 @@ func toStartedNotifyParam(value: String) -> [String: Any] {
 struct SetAccessPointParams {
     let ssid: String
     let ssidStealth: KotlinBoolean?
-    let authMode: ThetaRepository.AuthModeEnum
+    let authMode: ThetaRepository.AuthModeEnum?
     let password: String?
     let connectionPriority: KotlinInt?
     let dns1: String?
@@ -1469,16 +1469,7 @@ func toSetAccessPointParams(params: [String: Any?]) throws -> SetAccessPointPara
         throw ThetaClientError.invalidArgument(KEY_SSID)
     }
     let ssidStealth = toKotlinBoolean(value: params[KEY_SSID_STEALTH] as? Bool)
-    guard let authMode = params[KEY_AUTH_MODE] as? String else {
-        throw ThetaClientError.invalidArgument(KEY_AUTH_MODE)
-    }
-    guard
-        let authModeEnum = getEnumValue(
-            values: ThetaRepository.AuthModeEnum.values(), name: authMode
-        )
-    else {
-        throw ThetaClientError.invalidArgument(KEY_AUTH_MODE)
-    }
+    let authModeEnum = getEnumValue(values: ThetaRepository.AuthModeEnum.values(), name: (params[KEY_AUTH_MODE] as? String) ?? "")
     let password = params[KEY_PASSWORD] as? String
     let connectionPriority = toKotlinInt(value: params[KEY_CONNECTION_PRIORITY] as? Int)
     let dns1 = params[KEY_DNS1] as? String
diff --git a/flutter/ios/Classes/SwiftThetaClientFlutterPlugin.swift b/flutter/ios/Classes/SwiftThetaClientFlutterPlugin.swift
index 053c28de48..0efa681adc 100644
--- a/flutter/ios/Classes/SwiftThetaClientFlutterPlugin.swift
+++ b/flutter/ios/Classes/SwiftThetaClientFlutterPlugin.swift
@@ -242,6 +242,8 @@ public class SwiftThetaClientFlutterPlugin: NSObject, FlutterPlugin, FlutterStre
             setAccessPointDynamically(call: call, result: result)
         case "setAccessPointStatically":
             setAccessPointStatically(call: call, result: result)
+        case "setAccessPointConnectionPriority":
+            setAccessPointConnectionPriority(call: call, result: result)
         case "deleteAccessPoint":
             deleteAccessPoint(call: call, result: result)
         case "getMySetting":
@@ -1748,6 +1750,48 @@ public class SwiftThetaClientFlutterPlugin: NSObject, FlutterPlugin, FlutterStre
         }
     }
 
+    func setAccessPointConnectionPriority(call: FlutterMethodCall, result: @escaping FlutterResult) {
+        guard let thetaRepository else {
+            let flutterError = FlutterError(code: SwiftThetaClientFlutterPlugin.errorCode, message: SwiftThetaClientFlutterPlugin.messageNotInit, details: nil)
+            result(flutterError)
+            return
+        }
+        guard
+            let arguments = call.arguments as? [String: Any?]
+        else {
+            let flutterError = FlutterError(code: SwiftThetaClientFlutterPlugin.errorCode, message: SwiftThetaClientFlutterPlugin.messageNoArgument, details: nil)
+            result(flutterError)
+            return
+        }
+        do {
+            guard let ssid = arguments[KEY_SSID] as? String else {
+                throw ThetaClientError.invalidArgument(KEY_SSID)
+            }
+            guard let connectionPriority = arguments[KEY_CONNECTION_PRIORITY] as? Int32 else {
+                throw ThetaClientError.invalidArgument(KEY_CONNECTION_PRIORITY)
+            }
+            guard let ssidStealth = arguments[KEY_SSID_STEALTH] as? Bool else {
+                throw ThetaClientError.invalidArgument(KEY_SSID_STEALTH)
+            }
+            thetaRepository.setAccessPointConnectionPriority(
+                ssid: ssid,
+                connectionPriority: connectionPriority,
+                ssidStealth: ssidStealth,
+                completionHandler: { error in
+                    if let thetaError = error {
+                        let flutterError = FlutterError(code: SwiftThetaClientFlutterPlugin.errorCode, message: thetaError.localizedDescription, details: nil)
+                        result(flutterError)
+                    } else {
+                        result(nil)
+                    }
+                }
+            )
+        } catch {
+            let flutterError = FlutterError(code: SwiftThetaClientFlutterPlugin.errorCode, message: error.localizedDescription, details: nil)
+            result(flutterError)
+        }
+    }
+
     func deleteAccessPoint(call: FlutterMethodCall, result: @escaping FlutterResult) {
         guard let thetaRepository else {
             let flutterError = FlutterError(code: SwiftThetaClientFlutterPlugin.errorCode, message: SwiftThetaClientFlutterPlugin.messageNotInit, details: nil)
diff --git a/flutter/ios/theta_client_flutter.podspec b/flutter/ios/theta_client_flutter.podspec
index ba9a598bf9..2f42194f56 100644
--- a/flutter/ios/theta_client_flutter.podspec
+++ b/flutter/ios/theta_client_flutter.podspec
@@ -4,7 +4,7 @@
 #
 Pod::Spec.new do |s|
   s.name             = 'theta_client_flutter'
-  s.version          = '1.13.0'
+  s.version          = '1.13.1'
   s.summary          = 'theta-client plugin project.'
   s.description      = <<-DESC
   theta-client Flutter plugin project.
@@ -17,7 +17,7 @@ Pod::Spec.new do |s|
   s.dependency 'Flutter'
   s.platform = :ios, '15.0'
 
-  s.dependency 'THETAClient', '1.13.0'
+  s.dependency 'THETAClient', '1.13.1'
 
   # Flutter.framework does not contain a i386 slice.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }
diff --git a/flutter/lib/theta_client_flutter.dart b/flutter/lib/theta_client_flutter.dart
index 134f7fedde..03f78d2f9a 100644
--- a/flutter/lib/theta_client_flutter.dart
+++ b/flutter/lib/theta_client_flutter.dart
@@ -330,7 +330,7 @@ class ThetaClientFlutter {
   /// - @throws If an error occurs in THETA.
   Future<void> setAccessPointDynamically(String ssid,
       {bool? ssidStealth,
-      AuthModeEnum authMode = AuthModeEnum.none,
+      AuthModeEnum? authMode,
       String? password,
       int? connectionPriority,
       Proxy? proxy}) {
@@ -354,7 +354,7 @@ class ThetaClientFlutter {
   /// - @throws If an error occurs in THETA.
   Future<void> setAccessPointStatically(String ssid,
       {bool? ssidStealth,
-      AuthModeEnum authMode = AuthModeEnum.none,
+      AuthModeEnum? authMode,
       String? password,
       int? connectionPriority,
       required String ipAddress,
@@ -377,6 +377,18 @@ class ThetaClientFlutter {
         proxy);
   }
 
+  /// Updates the connection priority of the access point.
+  ///
+  /// - @param ssid SSID of the access point.
+  /// - @param connectionPriority Connection priority (1 to 5). Default is 1. Theta X fixed to 1 (The access point registered later has a higher priority.)
+  /// - @param ssidStealth True if SSID stealth is enabled. Default is false.
+  /// - @throws If an error occurs in THETA.
+  Future<void> setAccessPointConnectionPriority(
+      String ssid, int connectionPriority, bool ssidStealth) {
+    return ThetaClientFlutterPlatform.instance.setAccessPointConnectionPriority(
+        ssid, connectionPriority, ssidStealth);
+  }
+
   /// Deletes access point information used in client mode.
   /// Only the access points registered with [setAccessPoint] can be deleted.
   ///
diff --git a/flutter/lib/theta_client_flutter_method_channel.dart b/flutter/lib/theta_client_flutter_method_channel.dart
index 2b466d9f1a..c38554d6ce 100644
--- a/flutter/lib/theta_client_flutter_method_channel.dart
+++ b/flutter/lib/theta_client_flutter_method_channel.dart
@@ -1070,14 +1070,14 @@ class MethodChannelThetaClientFlutter extends ThetaClientFlutterPlatform {
   Future<void> setAccessPointDynamically(
       String ssid,
       bool? ssidStealth,
-      AuthModeEnum authMode,
+      AuthModeEnum? authMode,
       String? password,
       int? connectionPriority,
       Proxy? proxy) async {
     final Map params = <String, dynamic>{
       'ssid': ssid,
       'ssidStealth': ssidStealth,
-      'authMode': authMode.rawValue,
+      'authMode': authMode?.rawValue,
       'password': password,
       'connectionPriority': connectionPriority,
       'proxy': proxy != null ? ConvertUtils.convertProxyParam(proxy) : null
@@ -1090,7 +1090,7 @@ class MethodChannelThetaClientFlutter extends ThetaClientFlutterPlatform {
   Future<void> setAccessPointStatically(
       String ssid,
       bool? ssidStealth,
-      AuthModeEnum authMode,
+      AuthModeEnum? authMode,
       String? password,
       int? connectionPriority,
       String ipAddress,
@@ -1102,7 +1102,7 @@ class MethodChannelThetaClientFlutter extends ThetaClientFlutterPlatform {
     final Map params = <String, dynamic>{
       'ssid': ssid,
       'ssidStealth': ssidStealth,
-      'authMode': authMode.rawValue,
+      'authMode': authMode?.rawValue,
       'password': password,
       'connectionPriority': connectionPriority,
       'ipAddress': ipAddress,
@@ -1115,6 +1115,18 @@ class MethodChannelThetaClientFlutter extends ThetaClientFlutterPlatform {
     return methodChannel.invokeMethod<void>('setAccessPointStatically', params);
   }
 
+  @override
+  Future<void> setAccessPointConnectionPriority(
+      String ssid, int connectionPriority, bool ssidStealth) async {
+    final Map params = <String, dynamic>{
+      'ssid': ssid,
+      'ssidStealth': ssidStealth,
+      'connectionPriority': connectionPriority,
+    };
+    return methodChannel.invokeMethod<void>(
+        'setAccessPointConnectionPriority', params);
+  }
+
   @override
   Future<void> deleteAccessPoint(String ssid) async {
     return methodChannel.invokeMethod<void>('deleteAccessPoint', ssid);
diff --git a/flutter/lib/theta_client_flutter_platform_interface.dart b/flutter/lib/theta_client_flutter_platform_interface.dart
index fc469c698e..aee3232114 100644
--- a/flutter/lib/theta_client_flutter_platform_interface.dart
+++ b/flutter/lib/theta_client_flutter_platform_interface.dart
@@ -361,7 +361,7 @@ abstract class ThetaClientFlutterPlatform extends PlatformInterface {
   Future<void> setAccessPointDynamically(
       String ssid,
       bool? ssidStealth,
-      AuthModeEnum authMode,
+      AuthModeEnum? authMode,
       String? password,
       int? connectionPriority,
       Proxy? proxy) {
@@ -372,7 +372,7 @@ abstract class ThetaClientFlutterPlatform extends PlatformInterface {
   Future<void> setAccessPointStatically(
       String ssid,
       bool? ssidStealth,
-      AuthModeEnum authMode,
+      AuthModeEnum? authMode,
       String? password,
       int? connectionPriority,
       String ipAddress,
@@ -385,6 +385,12 @@ abstract class ThetaClientFlutterPlatform extends PlatformInterface {
         'setAccessPointStatically() has not been implemented.');
   }
 
+  Future<void> setAccessPointConnectionPriority(
+      String ssid, int connectionPriority, bool ssidStealth) {
+    throw UnimplementedError(
+        'setAccessPointConnectionPriority() has not been implemented.');
+  }
+
   Future<void> deleteAccessPoint(String ssid) {
     throw UnimplementedError('deleteAccessPoint() has not been implemented.');
   }
diff --git a/flutter/pubspec.yaml b/flutter/pubspec.yaml
index f22786eae7..a374749bde 100644
--- a/flutter/pubspec.yaml
+++ b/flutter/pubspec.yaml
@@ -1,6 +1,6 @@
 name: theta_client_flutter
 description: THETA Client Flutter plugin project.
-version: 1.13.0
+version: 1.13.1
 homepage:
 
 environment:
diff --git a/flutter/test/theta_client_flutter_method_channel_test.dart b/flutter/test/theta_client_flutter_method_channel_test.dart
index 43baa22225..bc14d03568 100644
--- a/flutter/test/theta_client_flutter_method_channel_test.dart
+++ b/flutter/test/theta_client_flutter_method_channel_test.dart
@@ -1442,6 +1442,25 @@ void main() {
         proxy);
   });
 
+  test('setAccessPointConnectionPriority', () async {
+    const ssid = 'ssid_test';
+    const ssidStealth = true;
+    const connectionPriority = 2;
+
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
+        .setMockMethodCallHandler(channel, (MethodCall methodCall) async {
+      expect(methodCall.method, 'setAccessPointConnectionPriority');
+
+      var arguments = methodCall.arguments as Map<dynamic, dynamic>;
+      expect(arguments['ssid'], ssid);
+      expect(arguments['ssidStealth'], ssidStealth);
+      expect(arguments['connectionPriority'], connectionPriority);
+      return Future.value();
+    });
+    await platform.setAccessPointConnectionPriority(
+        ssid, connectionPriority, ssidStealth);
+  });
+
   test('deleteAccessPoint', () async {
     const ssid = 'ssid_test';
     TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
diff --git a/flutter/test/theta_client_flutter_test.dart b/flutter/test/theta_client_flutter_test.dart
index 1f789363c6..31cf75bb4a 100644
--- a/flutter/test/theta_client_flutter_test.dart
+++ b/flutter/test/theta_client_flutter_test.dart
@@ -377,7 +377,7 @@ class MockThetaClientFlutterPlatform
   Future<void> setAccessPointDynamically(
       String ssid,
       bool? ssidStealth,
-      AuthModeEnum authMode,
+      AuthModeEnum? authMode,
       String? password,
       int? connectionPriority,
       Proxy? proxy) {
@@ -388,7 +388,7 @@ class MockThetaClientFlutterPlatform
   Future<void> setAccessPointStatically(
       String ssid,
       bool? ssidStealth,
-      AuthModeEnum authMode,
+      AuthModeEnum? authMode,
       String? password,
       int? connectionPriority,
       String ipAddress,
@@ -400,6 +400,12 @@ class MockThetaClientFlutterPlatform
     return Future.value();
   }
 
+  @override
+  Future<void> setAccessPointConnectionPriority(
+      String ssid, int connectionPriority, bool ssidStealth) {
+    return Future.value();
+  }
+
   @override
   Future<void> deleteAccessPoint(String ssid) {
     return Future.value();
diff --git a/kotlin-multiplatform/build.gradle.kts b/kotlin-multiplatform/build.gradle.kts
index 2bb5b87642..b373f9de0e 100644
--- a/kotlin-multiplatform/build.gradle.kts
+++ b/kotlin-multiplatform/build.gradle.kts
@@ -17,7 +17,7 @@ dependencies {
     dokkaPlugin("org.jetbrains.dokka:versioning-plugin:1.9.20")
 }
 
-val thetaClientVersion = "1.13.0"
+val thetaClientVersion = "1.13.1"
 group = "com.ricoh360.thetaclient"
 version = thetaClientVersion
 
diff --git a/kotlin-multiplatform/src/commonMain/kotlin/com/ricoh360/thetaclient/ThetaRepository.kt b/kotlin-multiplatform/src/commonMain/kotlin/com/ricoh360/thetaclient/ThetaRepository.kt
index 51c43f792a..b178e61b4d 100644
--- a/kotlin-multiplatform/src/commonMain/kotlin/com/ricoh360/thetaclient/ThetaRepository.kt
+++ b/kotlin-multiplatform/src/commonMain/kotlin/com/ricoh360/thetaclient/ThetaRepository.kt
@@ -8828,10 +8828,10 @@ class ThetaRepository internal constructor(val endpoint: String, config: Config?
     internal suspend fun setAccessPoint(
         ssid: String,
         ssidStealth: Boolean? = null,
-        authMode: AuthModeEnum = AuthModeEnum.NONE,
+        authMode: AuthModeEnum? = null,
         password: String? = null,
         connectionPriority: Int? = null,
-        ipAddressAllocation: IpAddressAllocation,
+        ipAddressAllocation: IpAddressAllocation? = null,
         ipAddress: String? = null,
         subnetMask: String? = null,
         defaultGateway: String? = null,
@@ -8839,10 +8839,14 @@ class ThetaRepository internal constructor(val endpoint: String, config: Config?
         dns2: String? = null,
         proxy: Proxy? = null,
     ) {
+        if (cameraModel == ThetaModel.THETA_A1 && authMode == AuthModeEnum.NONE) {
+            throw ThetaWebApiException("${cameraModel?.value} does not allow authMode to be set to none.")
+        }
+
         val params = SetAccessPointParams(
             ssid = ssid,
             ssidStealth = ssidStealth,
-            security = authMode.value,
+            security = authMode?.value,
             password = password,
             connectionPriority = connectionPriority,
             ipAddressAllocation = ipAddressAllocation,
@@ -8884,7 +8888,7 @@ class ThetaRepository internal constructor(val endpoint: String, config: Config?
     suspend fun setAccessPointDynamically(
         ssid: String,
         ssidStealth: Boolean? = null,
-        authMode: AuthModeEnum = AuthModeEnum.NONE,
+        authMode: AuthModeEnum? = null,
         password: String? = null,
         connectionPriority: Int? = null,
         proxy: Proxy? = null,
@@ -8921,7 +8925,7 @@ class ThetaRepository internal constructor(val endpoint: String, config: Config?
     suspend fun setAccessPointStatically(
         ssid: String,
         ssidStealth: Boolean? = null,
-        authMode: AuthModeEnum = AuthModeEnum.NONE,
+        authMode: AuthModeEnum? = null,
         password: String? = null,
         connectionPriority: Int? = null,
         ipAddress: String,
@@ -8947,6 +8951,24 @@ class ThetaRepository internal constructor(val endpoint: String, config: Config?
         )
     }
 
+    /**
+     * Updates the connection priority of the access point.
+     *
+     * @param ssid SSID
+     * @param connectionPriority Connection priority (1 to 5). Default is 1. Theta X fixed to 1 (The access point registered later has a higher priority.)
+     * @param ssidStealth SSID stealth. Default is false.
+     * @exception ThetaWebApiException If an error occurs in THETA.
+     * @exception NotConnectedException
+     */
+    @Throws(Throwable::class)
+    suspend fun setAccessPointConnectionPriority(ssid: String, connectionPriority: Int, ssidStealth: Boolean) {
+        setAccessPoint(
+            ssid = ssid,
+            ssidStealth = ssidStealth,
+            connectionPriority = connectionPriority,
+        )
+    }
+
     /**
      * Deletes access point information used in client mode.
      * Only the access points registered with [setAccessPoint] can be deleted.
diff --git a/kotlin-multiplatform/src/commonTest/kotlin/com/ricoh360/thetaclient/repository/SetAccessPointTest.kt b/kotlin-multiplatform/src/commonTest/kotlin/com/ricoh360/thetaclient/repository/SetAccessPointTest.kt
index a22690952f..d222b38d27 100644
--- a/kotlin-multiplatform/src/commonTest/kotlin/com/ricoh360/thetaclient/repository/SetAccessPointTest.kt
+++ b/kotlin-multiplatform/src/commonTest/kotlin/com/ricoh360/thetaclient/repository/SetAccessPointTest.kt
@@ -38,10 +38,10 @@ class SetAccessPointTest {
         request: HttpRequestData,
         ssid: String,
         ssidStealth: Boolean,
-        security: AuthenticationMode,
+        security: AuthenticationMode?,
         password: String?,
         connectionPriority: Int,
-        ipAddressAllocation: IpAddressAllocation,
+        ipAddressAllocation: IpAddressAllocation?,
         ipAddress: String?,
         subnetMask: String?,
         defaultGateway: String?,
@@ -89,7 +89,6 @@ class SetAccessPointTest {
         val proxy = ThetaRepository.Proxy(use = true, url = "https://xxx", port = 8081, userid = "abc", password = "pwpwpw111")
 
         MockApiClient.onRequest = { request ->
-            // check request
             checkRequest(
                 request,
                 ssid,
@@ -139,7 +138,6 @@ class SetAccessPointTest {
         val proxy = ThetaRepository.Proxy(use = true, url = "https://xxx", port = 8081, userid = "abc", password = "pwpwpw111")
 
         MockApiClient.onRequest = { request ->
-            // check request
             checkRequest(
                 request,
                 ssid,
@@ -176,6 +174,44 @@ class SetAccessPointTest {
         assertTrue(true, "response is normal.")
     }
 
+    /**
+     * call setAccessPointConnectionPriority.
+     */
+    @Test
+    fun setAccessPointConnectionPriorityTest() = runTest {
+        val ssid = "ssid_test"
+        val ssidStealth = true
+        val connectionPriority = 2
+
+        MockApiClient.onRequest = { request ->
+            checkRequest(
+                request,
+                ssid,
+                ssidStealth,
+                null,
+                null,
+                connectionPriority,
+                null,
+                null,
+                null,
+                null,
+                null,
+                null,
+                null
+            )
+
+            ByteReadChannel(Resource("src/commonTest/resources/setAccessPoint/set_access_point_done.json").readText())
+        }
+
+        val thetaRepository = ThetaRepository(endpoint)
+        thetaRepository.setAccessPointConnectionPriority(
+            ssid = ssid,
+            ssidStealth = ssidStealth,
+            connectionPriority = connectionPriority,
+        )
+        assertTrue(true, "response is normal.")
+    }
+
     /**
      * Error not json response to setAccessPoint call
      */
@@ -401,4 +437,78 @@ class SetAccessPointTest {
             assertTrue(e.message!!.indexOf("time", 0, true) >= 0, "timeout exception")
         }
     }
+
+    @Test
+    fun setAccessPointAuthModeExceptionTest() = runTest {
+        MockApiClient.onRequest = { _ ->
+            ByteReadChannel(Resource("src/commonTest/resources/listAccessPoints/list_access_points_empty_done.json").readText())
+        }
+
+        val thetaRepository = ThetaRepository(endpoint)
+        thetaRepository.cameraModel = ThetaRepository.ThetaModel.THETA_A1
+        try {
+            val ssid = "ssid_test"
+            val authMode = ThetaRepository.AuthModeEnum.NONE
+            val ipAddressAllocation = IpAddressAllocation.STATIC
+
+            thetaRepository.setAccessPoint(
+                ssid = ssid,
+                authMode = authMode,
+                ipAddressAllocation = ipAddressAllocation,
+            )
+            assertTrue(false, "response is normal.")
+        } catch (e: ThetaRepository.ThetaWebApiException) {
+            assertTrue(e.message!!.contains("does not allow authMode to be set to none."), "authMode exception")
+        }
+    }
+
+    @Test
+    fun setAccessPointDynamicallyAuthModeExceptionTest() = runTest {
+        MockApiClient.onRequest = { _ ->
+            ByteReadChannel(Resource("src/commonTest/resources/listAccessPoints/list_access_points_empty_done.json").readText())
+        }
+
+        val thetaRepository = ThetaRepository(endpoint)
+        thetaRepository.cameraModel = ThetaRepository.ThetaModel.THETA_A1
+        try {
+            val ssid = "ssid_test"
+            val authMode = ThetaRepository.AuthModeEnum.NONE
+
+            thetaRepository.setAccessPointDynamically(
+                ssid = ssid,
+                authMode = authMode
+            )
+            assertTrue(false, "response is normal.")
+        } catch (e: ThetaRepository.ThetaWebApiException) {
+            assertTrue(e.message!!.contains("does not allow authMode to be set to none."), "authMode exception")
+        }
+    }
+
+    @Test
+    fun setAccessPointStaticallyAuthModeExceptionTest() = runTest {
+        MockApiClient.onRequest = { _ ->
+            ByteReadChannel(Resource("src/commonTest/resources/listAccessPoints/list_access_points_empty_done.json").readText())
+        }
+
+        val thetaRepository = ThetaRepository(endpoint)
+        thetaRepository.cameraModel = ThetaRepository.ThetaModel.THETA_A1
+        try {
+            val ssid = "ssid_test"
+            val authMode = ThetaRepository.AuthModeEnum.NONE
+            val ipAddress = "192.168.1.2"
+            val subnetMask = "255.255.255.0"
+            val defaultGateway = "192.168.1.3"
+
+            thetaRepository.setAccessPointStatically(
+                ssid = ssid,
+                authMode = authMode,
+                ipAddress = ipAddress,
+                subnetMask = subnetMask,
+                defaultGateway = defaultGateway
+            )
+            assertTrue(false, "response is normal.")
+        } catch (e: ThetaRepository.ThetaWebApiException) {
+            assertTrue(e.message!!.contains("does not allow authMode to be set to none."), "authMode exception")
+        }
+    }
 }
diff --git a/react-native/android/build.gradle b/react-native/android/build.gradle
index db81b0b49c..b799932b90 100644
--- a/react-native/android/build.gradle
+++ b/react-native/android/build.gradle
@@ -136,7 +136,7 @@ dependencies {
   implementation "com.facebook.react:react-native:+"
   implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
   implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3"
-  implementation "com.ricoh360.thetaclient:theta-client:1.13.0"
+  implementation "com.ricoh360.thetaclient:theta-client:1.13.1"
 
 // From node_modules
 }
diff --git a/react-native/android/src/main/java/com/ricoh360/thetaclientreactnative/Converter.kt b/react-native/android/src/main/java/com/ricoh360/thetaclientreactnative/Converter.kt
index 15f66a202b..dbe709b88b 100644
--- a/react-native/android/src/main/java/com/ricoh360/thetaclientreactnative/Converter.kt
+++ b/react-native/android/src/main/java/com/ricoh360/thetaclientreactnative/Converter.kt
@@ -1450,7 +1450,7 @@ fun toSleepDelay(objects: ReadableMap): SleepDelay? {
 data class SetAccessPointParams(
   val ssid: String,
   val ssidStealth: Boolean?,
-  val authMode: AuthModeEnum,
+  val authMode: AuthModeEnum?,
   val password: String?,
   val connectionPriority: Int?,
   val dns1: String?,
@@ -1466,7 +1466,6 @@ fun toSetAccessPointParams(objects: ReadableMap): SetAccessPointParams {
     null
   }
   val authMode = objects.getString(KEY_AUTH_MODE)?.let { AuthModeEnum.valueOf(it) }
-    ?: throw IllegalArgumentException(KEY_AUTH_MODE)
   val password = objects.getString(KEY_PASSWORD)
   val connectionPriority = if (objects.hasKey(KEY_CONNECTION_PRIORITY)) {
     objects.getInt(KEY_CONNECTION_PRIORITY)
diff --git a/react-native/android/src/main/java/com/ricoh360/thetaclientreactnative/ThetaClientSdkModule.kt b/react-native/android/src/main/java/com/ricoh360/thetaclientreactnative/ThetaClientSdkModule.kt
index 9281ce58b6..0674b627d2 100644
--- a/react-native/android/src/main/java/com/ricoh360/thetaclientreactnative/ThetaClientSdkModule.kt
+++ b/react-native/android/src/main/java/com/ricoh360/thetaclientreactnative/ThetaClientSdkModule.kt
@@ -1950,6 +1950,35 @@ class ThetaClientReactNativeModule(
     }
   }
 
+  /**
+   * setAccessPointConnectionPriority  -  Updates the connection priority of the access point.
+   * @param ssid ssid to set
+   * @param connectionPriority connectionPriority to set
+   * @param ssidStealth ssidStealth to set
+   * @param promise promise to set result
+   */
+  @ReactMethod
+  fun setAccessPointConnectionPriority(
+    ssid: String,
+    connectionPriority: Int,
+    ssidStealth: Boolean,
+    promise: Promise
+  ) {
+    val theta = theta
+    if (theta == null) {
+      promise.reject(Exception(messageNotInit))
+      return
+    }
+    launch {
+      try {
+        theta.setAccessPointConnectionPriority(ssid, connectionPriority, ssidStealth)
+        promise.resolve(true)
+      } catch (t: Throwable) {
+        promise.reject(t)
+      }
+    }
+  }
+
   /**
    * deleteAccessPoint  -  delete access point related ssid
    * @param ssid ssid to delete
diff --git a/react-native/ios/ConvertUtil.swift b/react-native/ios/ConvertUtil.swift
index eda5f52f48..066575c4ee 100644
--- a/react-native/ios/ConvertUtil.swift
+++ b/react-native/ios/ConvertUtil.swift
@@ -1835,7 +1835,7 @@ func toTimeout(params: [String: Any]) -> ThetaRepository.Timeout? {
 struct SetAccessPointParams {
     let ssid: String
     let ssidStealth: KotlinBoolean?
-    let authMode: ThetaRepository.AuthModeEnum
+    let authMode: ThetaRepository.AuthModeEnum?
     let password: String?
     let connectionPriority: KotlinInt?
     let dns1: String?
@@ -1848,16 +1848,7 @@ func toSetAccessPointParams(params: [String: Any?]) throws -> SetAccessPointPara
         throw ThetaClientError.invalidArgument(KEY_SSID)
     }
     let ssidStealth = toKotlinBoolean(value: params[KEY_SSID_STEALTH] as? Bool)
-    guard let authMode = params[KEY_AUTH_MODE] as? String else {
-        throw ThetaClientError.invalidArgument(KEY_AUTH_MODE)
-    }
-    guard
-        let authModeEnum = getEnumValue(
-            values: ThetaRepository.AuthModeEnum.values(), name: authMode
-        )
-    else {
-        throw ThetaClientError.invalidArgument(KEY_AUTH_MODE)
-    }
+    let authModeEnum = getEnumValue(values: ThetaRepository.AuthModeEnum.values(), name: (params[KEY_AUTH_MODE] as? String) ?? "")
     let password = params[KEY_PASSWORD] as? String
     let connectionPriority = toKotlinInt(value: params[KEY_CONNECTION_PRIORITY] as? Int)
     let dns1 = params[KEY_DNS1] as? String
diff --git a/react-native/ios/ThetaClientReactNative.m b/react-native/ios/ThetaClientReactNative.m
index 813fb5f080..2809b65c28 100644
--- a/react-native/ios/ThetaClientReactNative.m
+++ b/react-native/ios/ThetaClientReactNative.m
@@ -235,6 +235,12 @@ @interface RCT_EXTERN_MODULE(ThetaClientReactNative, NSObject)
                   withResolver:(RCTPromiseResolveBlock)resolve
                   withRejecter:(RCTPromiseRejectBlock)reject)
 
+RCT_EXTERN_METHOD(setAccessPointConnectionPriority:(NSString *)ssid
+                  connectionPriority: (int)connectionPriority
+                  ssidStealth: (BOOL)ssidStealth
+                  withResolver:(RCTPromiseResolveBlock)resolve
+                  withRejecter:(RCTPromiseRejectBlock)reject)
+
 RCT_EXTERN_METHOD(deleteAccessPoint:(NSString *)ssid
                   withResolver:(RCTPromiseResolveBlock)resolve
                   withRejecter:(RCTPromiseRejectBlock)reject)
diff --git a/react-native/ios/ThetaClientReactNative.swift b/react-native/ios/ThetaClientReactNative.swift
index c0cbe672bc..11dfd86bf5 100644
--- a/react-native/ios/ThetaClientReactNative.swift
+++ b/react-native/ios/ThetaClientReactNative.swift
@@ -2216,6 +2216,37 @@ class ThetaClientReactNative: RCTEventEmitter {
         }
     }
 
+    @objc(
+        setAccessPointConnectionPriority:
+        connectionPriority:
+        ssidStealth:
+        withResolver:
+        withRejecter:
+    )
+    func setAccessPointConnectionPriority(
+        ssid: String,
+        connectionPriority: Int,
+        ssidStealth: Bool,
+        resolve: @escaping RCTPromiseResolveBlock,
+        reject: @escaping RCTPromiseRejectBlock
+    ) {
+        guard let thetaRepository else {
+            reject(ERROR_CODE_ERROR, MESSAGE_NOT_INIT, nil)
+            return
+        }
+        do {
+          thetaRepository.setAccessPointConnectionPriority(ssid: ssid, connectionPriority: Int32(connectionPriority), ssidStealth: ssidStealth) { error in
+                if let error {
+                    reject(ERROR_CODE_ERROR, error.localizedDescription, error)
+                } else {
+                    resolve(true)
+                }
+            }
+        } catch {
+            reject(ERROR_CODE_ERROR, error.localizedDescription, error)
+        }
+    }
+
     @objc(deleteAccessPoint:withResolver:withRejecter:)
     func deleteAccessPoint(
         ssid: String,
diff --git a/react-native/package.json b/react-native/package.json
index 38ba0c265d..7191f45350 100644
--- a/react-native/package.json
+++ b/react-native/package.json
@@ -1,6 +1,6 @@
 {
   "name": "theta-client-react-native",
-  "version": "1.13.0",
+  "version": "1.13.1",
   "description": "This library provides a way to control RICOH THETA using.",
   "main": "lib/commonjs/index",
   "module": "lib/module/index",
diff --git a/react-native/src/theta-repository/theta-repository.ts b/react-native/src/theta-repository/theta-repository.ts
index 36dbe2c96c..12ea81050f 100644
--- a/react-native/src/theta-repository/theta-repository.ts
+++ b/react-native/src/theta-repository/theta-repository.ts
@@ -1,4 +1,4 @@
-import { AccessPoint, AuthModeEnum } from './access-point';
+import type { AccessPoint, AuthModeEnum } from './access-point';
 import type { FileTypeEnum, StorageEnum, ThetaFiles } from './theta-files';
 import type { ThetaState } from './theta-state';
 import type { ThetaInfo, ThetaModel } from './theta-info';
@@ -533,13 +533,8 @@ export function setAccessPointDynamically(
     proxy?: Proxy;
   }
 ): Promise<boolean> {
-  const {
-    ssidStealth,
-    authMode = AuthModeEnum.NONE,
-    password,
-    connectionPriority,
-    proxy,
-  } = params ?? {};
+  const { ssidStealth, authMode, password, connectionPriority, proxy } =
+    params ?? {};
   return ThetaClientReactNative.setAccessPointDynamically({
     ssid,
     ssidStealth,
@@ -575,7 +570,7 @@ export function setAccessPointStatically(
   defaultGateway: string,
   params?: {
     ssidStealth?: boolean;
-    authMode: AuthModeEnum;
+    authMode?: AuthModeEnum;
     password?: string;
     connectionPriority?: number;
     dns1?: string;
@@ -585,7 +580,7 @@ export function setAccessPointStatically(
 ): Promise<boolean> {
   const {
     ssidStealth,
-    authMode = AuthModeEnum.NONE,
+    authMode,
     password,
     connectionPriority,
     dns1,
@@ -607,6 +602,27 @@ export function setAccessPointStatically(
   });
 }
 
+/**
+ * Updates the connection priority of the access point.
+ *
+ * @function setAccessPointConnectionPriority
+ * @param {string} ssid SSID of the access point.
+ * @param {number} connectionPriority Connection priority 1 to 5.
+ * @param {boolean} ssidStealth True if SSID stealth is enabled.
+ * @return promise of boolean result
+ */
+export function setAccessPointConnectionPriority(
+  ssid: string,
+  connectionPriority: number,
+  ssidStealth: boolean
+): Promise<boolean> {
+  return ThetaClientReactNative.setAccessPointConnectionPriority(
+    ssid,
+    connectionPriority,
+    ssidStealth
+  );
+}
+
 /**
  * Deletes access point information used in client mode.
  *
diff --git a/react-native/theta-client-react-native.podspec b/react-native/theta-client-react-native.podspec
index 76cfa4fe1c..1731e45287 100644
--- a/react-native/theta-client-react-native.podspec
+++ b/react-native/theta-client-react-native.podspec
@@ -17,7 +17,7 @@ Pod::Spec.new do |s|
   s.source_files = "ios/**/*.{h,m,mm,swift}"
 
   s.dependency "React-Core"
-  s.dependency "THETAClient", "1.13.0"
+  s.dependency "THETAClient", "1.13.1"
 
   # Don't install the dependencies when we run `pod install` in the old architecture.
   if ENV['RCT_NEW_ARCH_ENABLED'] == '1' then