diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 3f547f1..44494de 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,24 +11,27 @@ jobs:
 
     steps:
       - name: Checkout project sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
-      - name: Setup java
-        uses: actions/setup-java@v3
+      - name: Setup Java
+        uses: actions/setup-java@v4
         with:
-          distribution: corretto
-          java-version: 8
+          distribution: temurin
+          java-version: 17
+          cache: gradle
 
       - name: Setup Android SDK
         uses: android-actions/setup-android@v3
         with:
-          cmdline-tools-version: 8512546
-          packages: 'build-tools;22.0.1 platforms;android-22'
+          packages: |
+            platform-tools
+            platforms;android-36
+            build-tools;36.0.0
 
       - name: Setup Android NDK
         uses: nttld/setup-ndk@v1
         with:
-          ndk-version: r10e
+          ndk-version: r28
 
       - name: Setup Gradle
         uses: gradle/gradle-build-action@v2
@@ -38,4 +41,7 @@ jobs:
           SIMLA_MOBILE_APPS_EMAIL: ${{ secrets.SIMLA_MOBILE_APPS_EMAIL }}
           OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
           OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
-        run: ./gradlew :opuslib:uploadArchives --stacktrace
+          SIGNING_KEY_ID: ${{ secrets.SIGNING_KEY_ID }}
+          SIGNING_KEY_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}
+          SIGNING_KEY: ${{ secrets.SIGNING_KEY }}
+        run: ./gradlew :opuslib:publishReleasePublicationToMavenRepository --stacktrace
diff --git a/build.gradle b/build.gradle
index 29d69d4..a6b9018 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,18 +1,13 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
-
-buildscript {
-    repositories {
-        jcenter()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:1.5.0'
-        //classpath 'com.github.dcendents:android-maven-gradle-plugin:1.3'
-        //classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.2'
-    }
+plugins {
+    id "com.android.application" version "8.12.2" apply false
+    id "com.android.library" version "8.12.2" apply false
+    id "org.jetbrains.kotlin.android" version "2.2.10" apply false
 }
 
 allprojects {
     repositories {
-        jcenter()
+        google()
+        mavenCentral()
     }
 }
diff --git a/gradle/gradle-maven.gradle b/gradle/gradle-maven.gradle
index 51c4c33..57824f6 100644
--- a/gradle/gradle-maven.gradle
+++ b/gradle/gradle-maven.gradle
@@ -1,48 +1,59 @@
-apply plugin: 'maven'
-apply plugin: 'signing'
+apply plugin: "maven-publish"
+apply plugin: "signing"
 
-uploadArchives {
-    repositories {
-        mavenDeployer {
-            repository(url: "https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/") {
-                authentication(userName: System.getenv("OSSRH_USERNAME"), password: System.getenv("OSSRH_PASSWORD"))
-            }
+publishing {
+    publications {
+        release(MavenPublication) {
 
-            beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
+            afterEvaluate {
+                from components.release
+            }
 
-            pom.project {
-                name 'OpusLib'
-                description 'Re-publishing of OpusLib with no additional functionality.'
-                url 'https://github.com/simla-tech/opus_android'
+            pom {
+                name.set("OpusLib")
+                description.set("Re-publishing of OpusLib with no additional functionality.")
+                url.set("https://github.com/simla-tech/opus_android")
 
                 licenses {
                     license {
-                        name 'The Apache License, Version 2.0'
-                        url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
-                        distribution 'repo'
+                        name.set("The Apache License, Version 2.0")
+                        url.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
+                        distribution.set("repo")
                     }
                 }
 
                 developers {
                     developer {
-                        id 'SimlaTech'
-                        name 'Simla Mobile Dev Team'
-                        email System.getenv("SIMLA_TECH_EMAIL")
+                        id.set("SimlaTech")
+                        name.set("Simla Mobile Dev Team")
+                        email.set(System.getenv("SIMLA_TECH_EMAIL"))
                     }
                 }
 
                 scm {
-                    url 'https://github.com/simla-tech/opus_android'
-                    connection 'scm:git:git://github.com/simla-tech/opus_android.git'
-                    developerConnection 'scm:git:ssh://github.com/simla-tech/opus_android.git'
+                    url.set("https://github.com/simla-tech/opus_android")
+                    connection.set("scm:git:git://github.com/simla-tech/opus_android.git")
+                    developerConnection.set("scm:git:ssh://github.com/simla-tech/opus_android.git")
                 }
             }
         }
     }
+
+    repositories {
+        maven {
+            url = uri("https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/")
+            credentials {
+                username = System.getenv("OSSRH_USERNAME")
+                password = System.getenv("OSSRH_PASSWORD")
+            }
+        }
+    }
 }
 
-// Configure signing for all artifacts in 'archives' configuration
 signing {
-    required { gradle.taskGraph.hasTask("uploadArchives") }
-    sign configurations.archives
-}
+    def signingKeyId = findProperty("signingKeyId") ?: System.getenv("SIGNING_KEY_ID")
+    def signingKey = findProperty("signingKey") ?: System.getenv("SIGNING_KEY")
+    def signingPassword = findProperty("signingKeyPassword") ?: System.getenv("SIGNING_KEY_PASSWORD")
+    useInMemoryPgpKeys(signingKeyId, signingKey, signingPassword)
+    sign publishing.publications.release
+}
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e7faee0..cca0039 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Apr 10 15:27:10 PDT 2013
+#Thu Sep 04 09:32:24 MSK 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.4-all.zip
diff --git a/oplayer/build.gradle b/oplayer/build.gradle
index 506bae9..c8f52de 100644
--- a/oplayer/build.gradle
+++ b/oplayer/build.gradle
@@ -1,13 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-
-    compileSdkVersion 22
-    buildToolsVersion "22.0.1"
+    compileSdkVersion = 36
+    buildToolsVersion "28.0.3"
     defaultConfig {
         applicationId "top.oply.oplayer"
         minSdkVersion 15
-        targetSdkVersion 22
+        targetSdkVersion 36
         versionCode 2
         versionName '1.1'
     }
diff --git a/opuslib/build.gradle b/opuslib/build.gradle
index addc5bf..cf09bf2 100644
--- a/opuslib/build.gradle
+++ b/opuslib/build.gradle
@@ -1,38 +1,18 @@
-//import org.apache.tools.ant.taskdefs.condition.Os
-import org.gradle.plugins.signing.Sign
-apply plugin: 'com.android.library'
-//apply plugin: 'com.github.dcendents.android-maven'
-//apply plugin: 'com.jfrog.bintray'
+plugins {
+    id 'com.android.library'
+    id 'kotlin-android'
+}
 
-group = 'com.simla.android.opuslib'
-version = "1.0.3"
+apply from: "$rootDir/gradle/gradle-maven.gradle"
 
 android {
-    compileSdkVersion 22
-    buildToolsVersion "22.0.1"
-    resourcePrefix "ly__"
+    namespace = "top.oply.opuslib"
+    compileSdk = 36
 
     defaultConfig {
-        minSdkVersion 4
-        targetSdkVersion 22
-        versionCode 1
-        versionName "1.0"
-    }
-    sourceSets.main {
-        jni.srcDirs = []                // This prevents the auto generation of Android.mk
-        jniLibs.srcDir 'src/main/libs'  // This is not necessary unless you have precompiled libraries in your project.
-    }
-
-    task ndkBuild(type: Exec) {
-        //if (Os.isFamily(Os.FAMILY_WINDOWS)) {
-            commandLine 'ndk-build.cmd', '-C', file('src/main/jni').absolutePath
-        //} else {
-        //    commandLine 'ndk-build', '-C', file('src/main/jni').absolutePath
-        //}
-    }
-
-    tasks.withType(JavaCompile) {
-        compileTask -> compileTask.dependsOn ndkBuild
+        minSdk = 15
+        targetSdkVersion 36
+        version = "1.0.3"
     }
 
     buildTypes {
@@ -47,96 +27,15 @@ android {
             zipAlignEnabled false
         }
     }
-}
 
-dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-}
-
-/*
-def siteUrl = 'https://github.com/louisyonge/opus_android'      // Project url
-def gitUrl = 'https://github.com/louisyonge/opus_android.git'   // Git url
-group = "top.oply.opuslib"                                        // Maven Group ID for the artifact，usually it's package name.
-install {
-    repositories.mavenInstaller {
-        // This generates POM.xml with proper parameters
-        pom {
-            project {
-                packaging 'aar'
-                // Add your description here
-                name  'Opus library for Android' 	//Project description
-                url siteUrl
-                // Set your license
-                licenses {
-                    license {
-                        name 'The Apache Software License, Version 2.0'
-                        url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
-                    }
-                }
-                developers {
-                    developer {
-                        id 'louis'		//Some basic information
-                        name 'Louis'
-                        email 'ly.louisyoung@gmail.com'
-                    }
-                }
-                scm {
-                    connection gitUrl
-                    developerConnection gitUrl
-                    url siteUrl
-                }
-            }
+    publishing {
+        singleVariant('release') {
+            withSourcesJar()
+            withJavadocJar()
         }
     }
 }
-// */
-
-task sourcesJar(type: Jar) {
-    from android.sourceSets.main.java.srcDirs
-    classifier = 'sources'
-}
-task javadoc(type: Javadoc) {
-    source = android.sourceSets.main.java.srcDirs
-    classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
-}
-task javadocJar(type: Jar, dependsOn: javadoc) {
-    classifier = 'javadoc'
-    from javadoc.destinationDir
-}
-artifacts {
-    archives javadocJar
-    archives sourcesJar
-}
 
-/*
-Properties properties = new Properties()
-properties.load(project.rootProject.file('local.properties').newDataInputStream())
-bintray {
-    user = properties.getProperty("bintray.user")
-    key = properties.getProperty("bintray.apikey")
-    configurations = ['archives']
-    pkg {
-        repo = "maven"
-        name = "opus_andorid"	//Name appeared on JCenter
-        websiteUrl = siteUrl
-        vcsUrl = gitUrl
-        licenses = ["Apache-2.0"]
-        publish = true
-    }
+dependencies {
+    implementation fileTree(dir: "libs", include: ["*.jar"])
 }
-// */
-
-apply from: rootProject.file('gradle/gradle-maven.gradle')
-
-gradle.taskGraph.whenReady { taskGraph ->
-    if (taskGraph.allTasks.any { it instanceof Sign }) {
-
-        def id = "INSERT KEY ID HERE"
-        def file = project.file('INSERT RELATIVE PATH TO GPG FILE HERE').absolutePath
-        def password = "INSERT KEY PASSWORD HERE"
-
-        allprojects { ext."signing.keyId" = id }
-        allprojects { ext."signing.secretKeyRingFile" = file }
-        allprojects { ext."signing.password" = password }
-    }
-}
\ No newline at end of file
diff --git a/sample1/build.gradle b/sample1/build.gradle
index cd9bf90..2ac88ef 100644
--- a/sample1/build.gradle
+++ b/sample1/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 22
-    buildToolsVersion "22.0.1"
+    compileSdkVersion = 36
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         applicationId "top.oply.opusplayer"
         minSdkVersion 15
-        targetSdkVersion 22
+        targetSdkVersion 36
         versionCode 1
         versionName "1.0"
     }
diff --git a/settings.gradle b/settings.gradle
index a53bb4d..9eda729 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1,8 @@
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        google()
+    }
+}
+
 include ':opuslib'