diff --git a/README.md b/README.md
index 918377c..404ba61 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
 # TedImagePicker [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-TedImagePicker-green.svg?style=flat)](https://android-arsenal.com/details/1/7697)
 
+## Instructions
+- Set version in settings.gradle
+- Run gradle build
+- Set GOOGLE_APPLICATION_CREDENTIALS env variable
+- Rum gradle publish
+
 TedImagePicker is **simple/beautiful/smart** image picker
 
 - Support Image/Video
diff --git a/build.gradle b/build.gradle
index 037d174..9aaa847 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,10 +13,6 @@ buildscript {
     dependencies {
         classpath "com.android.tools.build:gradle:${versions.gradle}"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${versions.kotlin}"
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
-
-        classpath 'com.vanniktech:gradle-maven-publish-plugin:0.15.1'
     }
 }
 
@@ -28,12 +24,6 @@ allprojects {
 
     group = GROUP
     version = VERSION_NAME
-
-    plugins.withId("com.vanniktech.maven.publish") {
-        mavenPublish {
-            sonatypeHost = "S01"
-        }
-    }
 }
 
 task clean(type: Delete) {
diff --git a/dependencies.gradle b/dependencies.gradle
index 73f1892..ff1114b 100755
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -4,7 +4,7 @@ ext {
             'compileSdkVersion': 30,
             'targetSdkVersion' : 30,
             'gradle'           : '7.0.2',
-            'kotlin'           : '1.5.30',
+            'kotlin'           : '1.6.0',
             'supportLibrary'   : '25.0.0',
     ]
 
diff --git a/gradle.properties b/gradle.properties
index 053d5b1..5ba24e5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -21,7 +21,7 @@ kotlin.code.style=official
 
 GROUP=io.github.ParkSangGwon
 POM_ARTIFACT_ID=tedimagepicker
-VERSION_NAME=1.2.8
+VERSION_NAME=1.3.0
 
 POM_NAME=TedImagePicker
 POM_PACKAGING=aar
diff --git a/tedimagepicker/build.gradle b/tedimagepicker/build.gradle
index ae6346a..110aa99 100644
--- a/tedimagepicker/build.gradle
+++ b/tedimagepicker/build.gradle
@@ -1,3 +1,8 @@
+plugins {
+    id "maven-publish"
+    id "com.google.cloud.artifactregistry.gradle-plugin" version "2.1.4"
+}
+
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
@@ -47,4 +52,26 @@ dependencies {
     implementation 'com.alexvasilkov:gesture-views:2.5.2'
 }
 
-apply plugin: "com.vanniktech.maven.publish"
+publishing {
+    publications {
+        maven(MavenPublication) {
+            groupId = 'io.github.ParkSangGwon'
+            artifactId = 'TedImagePicker'
+            version = VERSION_NAME
+            afterEvaluate {
+                from components.release
+            }
+        }
+    }
+    repositories {
+        maven {
+            url "artifactregistry://europe-west1-maven.pkg.dev/round-runner-126807/mightyfields-maven"
+        }
+    }
+}
+
+repositories {
+    maven {
+        url "artifactregistry://europe-west1-maven.pkg.dev/round-runner-126807/mightyfields-maven"
+    }
+}
diff --git a/tedimagepicker/src/main/java/gun0912/tedimagepicker/util/TedImagePickerContentProvider.kt b/tedimagepicker/src/main/java/gun0912/tedimagepicker/util/TedImagePickerContentProvider.kt
index 444209f..a922a9d 100644
--- a/tedimagepicker/src/main/java/gun0912/tedimagepicker/util/TedImagePickerContentProvider.kt
+++ b/tedimagepicker/src/main/java/gun0912/tedimagepicker/util/TedImagePickerContentProvider.kt
@@ -1,14 +1,14 @@
 package gun0912.tedimagepicker.util
 
-import android.app.Application
 import android.content.ContentProvider
 import android.content.ContentValues
+import android.content.Context
 import android.database.Cursor
 import android.net.Uri
 
 class TedImagePickerContentProvider : ContentProvider() {
     override fun onCreate(): Boolean {
-        ToastUtil.context = context as Application
+        ToastUtil.context = context as Context
         return true
     }