diff --git a/build.gradle b/build.gradle
index 3d5ba79..16b5c3c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,9 +1,11 @@
 buildscript {
     repositories {
         jcenter()
+        google()
+
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/example/build.gradle b/example/build.gradle
index b1a4f10..a19d12b 100644
--- a/example/build.gradle
+++ b/example/build.gradle
@@ -3,7 +3,6 @@ apply plugin: 'com.android.application'
 android {
 
     compileSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
-    buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION
 
     defaultConfig {
         applicationId "com.felhr.serialportexample"
@@ -21,9 +20,9 @@ android {
 }
 
 dependencies {
-    compile 'com.android.support:support-v4:23.1.1'
-    compile 'com.android.support:appcompat-v7:23.1.1'
-    compile 'com.android.support:design:23.1.1'
+    implementation 'com.android.support:support-v4:23.1.1'
+    implementation 'com.android.support:appcompat-v7:23.1.1'
+    implementation 'com.android.support:design:23.1.1'
 
-    compile project(':usbserial')
+    implementation project(':usbserial')
 }
diff --git a/examplesync/build.gradle b/examplesync/build.gradle
index 09b45de..33d2c7c 100644
--- a/examplesync/build.gradle
+++ b/examplesync/build.gradle
@@ -3,7 +3,6 @@ apply plugin: 'com.android.application'
 android {
 
     compileSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
-    buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION
 
     defaultConfig {
         applicationId "com.felhr.serialportexamplesync"
@@ -21,9 +20,9 @@ android {
 }
 
 dependencies {
-    compile 'com.android.support:support-v4:23.1.1'
-    compile 'com.android.support:appcompat-v7:23.1.1'
-    compile 'com.android.support:design:23.1.1'
+    implementation 'com.android.support:support-v4:23.1.1'
+    implementation 'com.android.support:appcompat-v7:23.1.1'
+    implementation 'com.android.support:design:23.1.1'
 
-    compile project(':usbserial')
+    implementation project(':usbserial')
 }
diff --git a/gradle.properties b/gradle.properties
index 7837fbb..51250a6 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,5 @@
 VERSION_NAME=1.0
 VERSION_CODE=1
-
 ANDROID_BUILD_MIN_SDK_VERSION=12
 ANDROID_BUILD_TARGET_SDK_VERSION=23
 ANDROID_BUILD_SDK_VERSION=23
-ANDROID_BUILD_TOOLS_VERSION=23.0.2
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 4d593ba..3f26e00 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ 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/gradlew b/gradlew
old mode 100644
new mode 100755
diff --git a/usbserial/build.gradle b/usbserial/build.gradle
index f246363..29a0b55 100644
--- a/usbserial/build.gradle
+++ b/usbserial/build.gradle
@@ -6,7 +6,6 @@ android {
     version = '1.0.0'
 
     compileSdkVersion Integer.parseInt(project.ANDROID_BUILD_SDK_VERSION)
-    buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION
 
     compileOptions {
         encoding "UTF-8"
@@ -20,12 +19,12 @@ android {
     }
 
     //noinspection GroovyAssignabilityCheck
-    task deleteJar(type: org.gradle.api.tasks.Delete){
+    task deleteJar(type: org.gradle.api.tasks.Delete) {
         delete 'eclipse_lib/usbserial.jar'
     }
 
     //noinspection GroovyAssignabilityCheck
-    task createJar(type: org.gradle.api.tasks.Copy){
+    task createJar(type: org.gradle.api.tasks.Copy) {
         from('build/intermediates/bundles/release/')
         into('eclipse_lib/')
         include('classes.jar')