diff --git a/.gitignore b/.gitignore
index bc70b1e..e2cdf16 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,5 @@ example/ios/Flutter/Flutter.podspec
 /pubspec.lock
 ios/flutter_line_sdk/.build/
 .swiftpm/
+
+**/.cxx/
\ No newline at end of file
diff --git a/android/build.gradle b/android/build.gradle
index 5f90632..66dd3a2 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,5 +1,4 @@
 group 'com.linecorp.flutter_line_sdk'
-version '1.0-SNAPSHOT'
 
 buildscript {
     ext.kotlin_version = '1.7.21'
@@ -12,7 +11,6 @@ buildscript {
         classpath 'com.android.tools.build:gradle:7.3.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
-
 }
 
 rootProject.allprojects {
@@ -39,10 +37,12 @@ android {
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles 'consumer-proguard-rules.pro'
     }
+    buildFeatures {
+        buildConfig true
+    }
     lintOptions {
         disable 'InvalidPackage'
     }
-
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
@@ -54,7 +54,7 @@ android {
 }
 
 dependencies {
-    implementation('com.linecorp.linesdk:linesdk:5.9.1') {
+    implementation('com.linecorp.linesdk:linesdk:5.11.0') {
         exclude group: 'androidx.lifecycle', module: 'lifecycle-viewmodel-ktx'
         exclude group: 'androidx.lifecycle', module: 'lifecycle-extensions'
     }
diff --git a/android/gradle.properties b/android/gradle.properties
index 38c8d45..3dbac08 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.jvmargs=-Xmx1536M
 android.enableR8=true
 android.useAndroidX=true
-android.enableJetifier=true
+android.enableJetifier=false
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index aedee7c..c91c48e 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -12,7 +12,6 @@ if (localPropertiesFile.exists()) {
     }
 }
 
-
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
 if (flutterVersionCode == null) {
     flutterVersionCode = '1'
@@ -23,11 +22,9 @@ if (flutterVersionName == null) {
     flutterVersionName = '1.0'
 }
 
-
-
 android {
     namespace 'com.linecorp.linesdk.sample'
-    compileSdk 34
+    compileSdk 35
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -40,7 +37,7 @@ android {
     defaultConfig {
         applicationId "com.linecorp.linesdk.sample"
         minSdk 24
-        targetSdk 31
+        targetSdk 35
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -63,6 +60,11 @@ android {
         }
         release {
             minifyEnabled true
+            shrinkResources true
+            proguardFiles(
+                    getDefaultProguardFile("proguard-android-optimize.txt"),
+                    "proguard-rules.pro"
+            )
             signingConfig signingConfigs.debug
         }
     }
diff --git a/example/android/app/proguard-rules.pro b/example/android/app/proguard-rules.pro
new file mode 100644
index 0000000..36f6ae0
--- /dev/null
+++ b/example/android/app/proguard-rules.pro
@@ -0,0 +1,3 @@
+-keepattributes SourceFile,LineNumberTable
+-renamesourcefileattribute SourceFile
+-dontwarn com.linecorp.linesdk.BR
diff --git a/example/android/gradle.properties b/example/android/gradle.properties
index b9a9a24..3174d96 100644
--- a/example/android/gradle.properties
+++ b/example/android/gradle.properties
@@ -1,6 +1,6 @@
 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
-android.enableJetifier=true
-android.defaults.buildfeatures.buildconfig=true
-android.nonTransitiveRClass=false
-android.nonFinalResIds=false
+android.enableJetifier=false
+android.nonTransitiveRClass=true
+android.nonFinalResIds=true
+android.enableR8.fullMode=true
\ No newline at end of file