diff --git a/demos/demo-android/app/build.gradle b/demos/demo-android/app/build.gradle
index 40624951d8..66dd667389 100755
--- a/demos/demo-android/app/build.gradle
+++ b/demos/demo-android/app/build.gradle
@@ -75,7 +75,7 @@ dependencies {
     implementation 'com.jakewharton.timber:timber:5.0.1'
     implementation 'io.coil-kt:coil-compose:2.2.2'
     implementation "io.ktor:ktor-client-cio:2.3.9"
-    implementation "com.ricoh360.thetaclient:theta-client:1.11.0"
+    implementation "com.ricoh360.thetaclient:theta-client:1.11.1"
 
     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 48e8f83579..daeda5bd64 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', '1.11.0'
+  pod 'THETAClient', '1.11.1'
 end
diff --git a/demos/demo-react-native/package.json b/demos/demo-react-native/package.json
index 75afe9ebea..34bc524d0e 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": "1.11.0",
+    "theta-client-react-native": "1.11.1",
     "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 3c75b0ce9b..eb392d6de7 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:1.11.0"
+  implementation "com.ricoh360.thetaclient:theta-client:1.11.1"
   ```
 - 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 c960001ec1..b4950fe165 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:1.11.0"
+  implementation "com.ricoh360.thetaclient:theta-client:1.11.1"
   ```
 
 - 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 4efa5ef423..1720919913 100644
--- a/flutter/android/build.gradle
+++ b/flutter/android/build.gradle
@@ -53,5 +53,5 @@ dependencies {
     implementation("io.ktor:ktor-serialization-kotlinx-json:2.3.9")
     implementation("com.soywiz.korlibs.krypto:krypto:4.0.10")
 
-    implementation("com.ricoh360.thetaclient:theta-client:1.11.0")
+    implementation("com.ricoh360.thetaclient:theta-client:1.11.1")
 }
diff --git a/flutter/ios/theta_client_flutter.podspec b/flutter/ios/theta_client_flutter.podspec
index 2290e08c5e..9bd43993a5 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          = '1.11.0'
+  s.version          = '1.11.1'
   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', '1.11.0'
+  s.dependency 'THETAClient', '1.11.1'
 
   # Flutter.framework does not contain a i386 slice.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }
diff --git a/flutter/pubspec.yaml b/flutter/pubspec.yaml
index 16bb95bdeb..fb8d636a3a 100644
--- a/flutter/pubspec.yaml
+++ b/flutter/pubspec.yaml
@@ -1,6 +1,6 @@
 name: theta_client_flutter
 description: THETA Client Flutter plugin project.
-version: 1.11.0
+version: 1.11.1
 homepage:
 
 environment:
diff --git a/kotlin-multiplatform/build.gradle.kts b/kotlin-multiplatform/build.gradle.kts
index 8b2e6ba2f4..7bf01659bc 100644
--- a/kotlin-multiplatform/build.gradle.kts
+++ b/kotlin-multiplatform/build.gradle.kts
@@ -17,7 +17,7 @@ dependencies {
     dokkaPlugin("org.jetbrains.dokka:versioning-plugin:1.9.10")
 }
 
-val thetaClientVersion = "1.11.0"
+val thetaClientVersion = "1.11.1"
 group = "com.ricoh360.thetaclient"
 version = thetaClientVersion
 
@@ -105,7 +105,7 @@ kotlin {
 
 android {
     namespace = "com.ricoh360.thetaclient"
-    compileSdk = 33
+    compileSdk = 34
     sourceSets["main"].manifest.srcFile("src/androidMain/AndroidManifest.xml")
     defaultConfig {
         minSdk = 26
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 c27d523db8..7070b322e3 100644
--- a/kotlin-multiplatform/src/commonMain/kotlin/com/ricoh360/thetaclient/ThetaRepository.kt
+++ b/kotlin-multiplatform/src/commonMain/kotlin/com/ricoh360/thetaclient/ThetaRepository.kt
@@ -416,18 +416,9 @@ class ThetaRepository internal constructor(val endpoint: String, config: Config?
                 throw ThetaWebApiException(response.toString())
             }
             val input = response.body<ByteReadPacket>()
-            val builder = StringBuilder()
-            try {
-                while (!input.endOfInput) {
-                    val char = input.readText(1, 1)
-                    builder.append(char)
-                }
-            } catch (e: Throwable) {
-                throw e
-            } finally {
-                input.close()
-            }
-            return builder.toString()
+            val bytes = input.readBytes()
+            // decodeToString replaces invalid byte sequence with \uFFFD
+            return bytes.decodeToString()
         } catch (e: JsonConvertException) {
             throw ThetaWebApiException(e.message ?: e.toString())
         } catch (e: ResponseException) {
@@ -7789,7 +7780,10 @@ class ThetaRepository internal constructor(val endpoint: String, config: Config?
             if (response.status != HttpStatusCode.OK) {
                 throw ThetaWebApiException(response.toString())
             }
-            return response.bodyAsText()
+            val input = response.body<ByteReadPacket>()
+            val bytes = input.readBytes()
+            // decodeToString replaces invalid byte sequence with \uFFFD
+            return bytes.decodeToString()
         } catch (e: JsonConvertException) {
             throw ThetaWebApiException(e.message ?: e.toString())
         } catch (e: ResponseException) {
diff --git a/react-native/android/build.gradle b/react-native/android/build.gradle
index 5464a97d7c..de9f812967 100644
--- a/react-native/android/build.gradle
+++ b/react-native/android/build.gradle
@@ -135,7 +135,7 @@ 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:1.11.0"
+  implementation "com.ricoh360.thetaclient:theta-client:1.11.1"
 
 // From node_modules
 }
diff --git a/react-native/package.json b/react-native/package.json
index 408d5b167a..73cfa700d4 100644
--- a/react-native/package.json
+++ b/react-native/package.json
@@ -1,6 +1,6 @@
 {
   "name": "theta-client-react-native",
-  "version": "1.11.0",
+  "version": "1.11.1",
   "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/index.ts b/react-native/src/theta-repository/index.ts
index 62b9c886fb..02861470cb 100644
--- a/react-native/src/theta-repository/index.ts
+++ b/react-native/src/theta-repository/index.ts
@@ -5,6 +5,7 @@ export * from './theta-config';
 export * from './theta-files';
 export * from './theta-info';
 export * from './theta-meta';
+export * from './theta-plugin';
 export * from './theta-repository';
 export * from './theta-state';
 export * from './theta-timeout';
diff --git a/react-native/theta-client-react-native.podspec b/react-native/theta-client-react-native.podspec
index 21ed79af50..5cf87a75fb 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", "1.11.0"
+  s.dependency "THETAClient", "1.11.1"
 
   # Don't install the dependencies when we run `pod install` in the old architecture.
   if ENV['RCT_NEW_ARCH_ENABLED'] == '1' then