diff --git a/app/build.gradle b/app/build.gradle
index 3086075..c009116 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,15 +3,16 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.3"
+    compileSdkVersion 27
+    buildToolsVersion "27.0.1"
 
     defaultConfig {
         applicationId "com.simplemobiletools.applauncher"
         minSdkVersion 16
-        targetSdkVersion 23
+        targetSdkVersion 27
         versionCode 6
         versionName "1.6"
+        setProperty("archivesBaseName", "app-launcher")
     }
 
     signingConfigs {
@@ -31,17 +32,13 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:23.4.0'
-    compile 'com.android.support:recyclerview-v7:23.4.0'
-    compile 'com.android.support:design:23.4.0'
+    compile 'com.simplemobiletools:commons:2.38.6'
     compile 'com.bignerdranch.android:recyclerview-multiselect:0.2'
     compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
 }
 
 buildscript {
-    ext.kotlin_version = '1.0.3'
+    ext.kotlin_version = '1.1.51'
     repositories {
         mavenCentral()
     }
@@ -57,12 +54,11 @@ def propFile = new File('signing.properties')
 if (propFile.canRead()) {
     props.load(new FileInputStream(propFile))
 
-    if (props != null && props.containsKey('STORE_FILE') && props.containsKey('STORE_PASSWORD') &&
-            props.containsKey('KEY_ALIAS') && props.containsKey('KEY_PASSWORD')) {
+    if (props != null && props.containsKey('STORE_FILE') && props.containsKey('KEY_ALIAS') && props.containsKey('PASSWORD')) {
         android.signingConfigs.release.storeFile = file(props['STORE_FILE'])
-        android.signingConfigs.release.storePassword = props['STORE_PASSWORD']
+        android.signingConfigs.release.storePassword = props['PASSWORD']
         android.signingConfigs.release.keyAlias = props['KEY_ALIAS']
-        android.signingConfigs.release.keyPassword = props['KEY_PASSWORD']
+        android.signingConfigs.release.keyPassword = props['PASSWORD']
     } else {
         println 'signing.properties found but some entries are missing'
         android.buildTypes.release.signingConfig = null
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 8ed556c..7bcbc04 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.simplemobiletools.applauncher">
 
     <uses-permission
diff --git a/build.gradle b/build.gradle
index 9632370..8c22f11 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,8 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.2'
+        classpath 'com.android.tools.build:gradle:3.0.0'
+
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
@@ -14,6 +15,8 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        maven { url "https://jitpack.io" }
+        maven { url "https://maven.google.com" }
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index bf01a26..3d984e8 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sun Aug 21 21:13:29 CEST 2016
+#Fri Nov 10 21:55:37 CET 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/signing.properties_sample b/signing.properties_sample
index acf8fb9..cf8e239 100644
--- a/signing.properties_sample
+++ b/signing.properties_sample
@@ -1,4 +1,3 @@
 STORE_FILE=/path/to/your.keystore
-STORE_PASSWORD=yourkeypass
 KEY_ALIAS=projectkeyalias
-KEY_PASSWORD=yourkeypass
+PASSWORD=yourpass