SDK and tools update
diff --git a/build.gradle b/build.gradle
index 90153f8..bfd3ffa 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,8 +2,9 @@
 buildscript {
     repositories {
         mavenCentral()
+        jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.0.0'
+        classpath 'com.android.tools.build:gradle:2.2.2'
     }
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index c3ea797..ee30215 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Dec 11 14:16:35 CET 2014
+#Fri Nov 04 18:54:35 GMT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
diff --git a/library/build.gradle b/library/build.gradle
index 97c2d98..b24f792 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -52,12 +52,12 @@
 
 dependencies {
     compile fileTree(dir: 'libs', include: '*.jar')
-    compile 'com.android.support:support-annotations:20.0.0'
+    compile 'com.android.support:support-annotations:25.0.0'
 }
 
 android {
-    compileSdkVersion 19
-    buildToolsVersion "19.1.0"
+    compileSdkVersion 23
+    buildToolsVersion "23.0.3"
 
     sourceSets {
         main {
diff --git a/sample/build.gradle b/sample/build.gradle
index 2172bb5..44738d5 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -17,8 +17,8 @@
 }
 
 android {
-    compileSdkVersion 19
-    buildToolsVersion "19.1.0"
+    compileSdkVersion 23
+    buildToolsVersion "23.0.3"
 
     sourceSets {
         main {