diff --git a/.gitignore b/.gitignore
index 04a5d46..aa724b7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,13 +1,15 @@
 *.iml
-*.apk
-*.DS_Store
-
-/.idea
-/.gradle
-/build
-/gradle
-/gradlew
-/gradlew.bat
+.gradle
 /local.properties
-/library/build
-/sample/build
\ No newline at end of file
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..61a9130
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="1.8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
new file mode 100644
index 0000000..9a340cb
--- /dev/null
+++ b/.idea/gradle.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="PLATFORM" />
+        <option name="disableWrapperSourceDistributionNotification" value="true" />
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="1.8.0_242" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/library" />
+            <option value="$PROJECT_DIR$/sample" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+        <option name="useQualifiedModuleNames" value="true" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000..c83a369
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="MarkdownUnresolvedFileReference" enabled="true" level="WARNING" enabled_by_default="true" />
+  </profile>
+</component>
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..0380d8d
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="MavenRepo" />
+      <option name="name" value="MavenRepo" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..19aa6a5
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="JDK" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index bb6db48..8bdbdd5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,29 +28,29 @@ buildscript {
 
     ext {
         var = [
-                compileSdk: 28,
+                compileSdk: 30,
                 minSdk    : 14,
-                targetSdk : 28,
-                version   : "3.0.2"
+                targetSdk : 30,
+                version   : "4.0.0"
         ]
     }
 
     repositories {
-        jcenter()
-        maven { url "https://maven.google.com" }
         google()
+        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
-        classpath 'guru.stefma.bintrayrelease:bintrayrelease:1.0.0'
+        classpath "com.android.tools.build:gradle:4.1.2"
     }
 }
 
 allprojects {
     repositories {
+        google()
         jcenter()
-        maven { url "https://maven.google.com" }
+        mavenCentral()
     }
 }
 
diff --git a/gradle.properties b/gradle.properties
index 1d3591c..98bed16 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,18 +1,21 @@
 # Project-wide Gradle settings.
-
 # IDE (e.g. Android Studio) users:
 # Gradle settings configured through the IDE *will override*
 # any settings specified in this file.
-
 # For more details on how to configure your build environment visit
 # http://www.gradle.org/docs/current/userguide/build_environment.html
-
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-# Default value: -Xmx10248m -XX:MaxPermSize=256m
-# org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
-
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
\ No newline at end of file
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..f6b961f
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..9c13142
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Mon Feb 08 13:20:55 CET 2021
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
diff --git a/library/.gitignore b/library/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/library/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/library/build.gradle b/library/build.gradle
index fe30aa5..c91faf8 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -23,7 +23,6 @@
  */
 
 apply plugin: 'com.android.library'
-apply plugin: "guru.stefma.bintrayrelease"
 
 android {
 
@@ -51,14 +50,5 @@ android {
 
 dependencies {
     implementation 'androidx.legacy:legacy-support-v13:1.0.0'
-    implementation 'androidx.fragment:fragment:1.0.0'
+    implementation 'androidx.fragment:fragment:1.2.5'
 }
-
-version = '3.0.2'
-group = 'rebus'
-publish {
-    userOrg = 'raphaelbussa'
-    artifactId = 'permission-utils'
-    desc = 'Check marshmallow permission easily'
-    website = 'https://rebus007.github.io/PermissionUtils/'
-}
\ No newline at end of file
diff --git a/sample/.gitignore b/sample/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/sample/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/sample/build.gradle b/sample/build.gradle
index 1951f19..bc331c5 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -29,7 +29,7 @@ android {
     compileSdkVersion var.compileSdk
 
     defaultConfig {
-        applicationId "rebus.permissionutils.sample"
+        applicationId "com.raphaelbussa.permissionutils.sample"
         minSdkVersion var.minSdk
         targetSdkVersion var.targetSdk
         versionCode 1