diff --git a/build.gradle b/build.gradle
index fa01603..f962654 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,13 +5,21 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.2'
+        classpath 'com.android.tools.build:gradle:2.3.3'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.3'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
 }
 
+allprojects {
+    repositories {
+        jcenter()
+        maven {
+            url "https://maven.google.com"
+        }
+    }
+}
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 5f92ff5..9ceb309 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Jul 05 11:53:35 ICT 2016
+#Sat Sep 09 15:10:31 KST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/sample/build.gradle b/sample/build.gradle
index addfcc1..19db96c 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 22
-    buildToolsVersion "21.1.2"
+    compileSdkVersion 26
+    buildToolsVersion "26.0.1"
 
     defaultConfig {
         applicationId "com.tsengvn.typekitsample"
-        minSdkVersion 10
+        minSdkVersion 14
         targetSdkVersion 22
         versionCode 1
         versionName "1.0"
@@ -28,6 +28,6 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:22.1.1'
+    compile 'com.android.support:appcompat-v7:26.0.1'
     compile project(path: ':typekit')
 }
diff --git a/sample/src/main/res/layout/activity_sample.xml b/sample/src/main/res/layout/activity_sample.xml
index 5875695..a66d231 100644
--- a/sample/src/main/res/layout/activity_sample.xml
+++ b/sample/src/main/res/layout/activity_sample.xml
@@ -50,7 +50,7 @@
         android:text="soopafre"
         android:textColor="@android:color/black"
         android:textSize="18sp"
-        app:font="custom1"/>
+        app:fontType="custom1"/>
 
     <TextView
         android:layout_width="wrap_content"
@@ -58,7 +58,7 @@
         android:text="Break It Down"
         android:textColor="@android:color/black"
         android:textSize="18sp"
-        app:font="custom2"/>
+        app:fontType="custom2"/>
 
     <TextView
         android:layout_width="wrap_content"
@@ -73,5 +73,5 @@
         android:text="Waltograph Disney"
         android:textColor="@android:color/black"
         android:textSize="30sp"
-        app:font="disney"/>
+        app:fontType="disney"/>
 </LinearLayout>
\ No newline at end of file
diff --git a/typekit/build.gradle b/typekit/build.gradle
index 3f7625e..03af905 100644
--- a/typekit/build.gradle
+++ b/typekit/build.gradle
@@ -35,7 +35,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.2'
+        classpath 'com.android.tools.build:gradle:2.3.3'
     }
 }
 
@@ -43,12 +43,12 @@ android {
     signingConfigs {
     }
     compileSdkVersion 22
-    buildToolsVersion "21.1.2"
+    buildToolsVersion "26.0.1"
     defaultConfig {
         minSdkVersion 10
         targetSdkVersion 22
-        versionCode 2
-        versionName "1.0.1"
+        versionCode 3
+        versionName "1.0.2"
     }
     buildTypes {
         release {
diff --git a/typekit/src/main/java/com/tsengvn/typekit/TypekitFactory.java b/typekit/src/main/java/com/tsengvn/typekit/TypekitFactory.java
index 2d3f76a..67f57d0 100644
--- a/typekit/src/main/java/com/tsengvn/typekit/TypekitFactory.java
+++ b/typekit/src/main/java/com/tsengvn/typekit/TypekitFactory.java
@@ -54,7 +54,7 @@ private void applyFontForTextView(Context context, AttributeSet attrs, TextView
         Typekit typekit = Typekit.getInstance();
 
         TypedArray array = context.obtainStyledAttributes(attrs, R.styleable.Typekit);
-        String fontKey = (array != null) ? array.getString(R.styleable.Typekit_font) : null;
+        String fontKey = (array != null) ? array.getString(R.styleable.Typekit_fontType) : null;
 
         if (!TextUtils.isEmpty(fontKey)) {
             textView.setTypeface(typekit.get(fontKey));
diff --git a/typekit/src/main/res/values/attrs.xml b/typekit/src/main/res/values/attrs.xml
index b111d3c..d4262ff 100644
--- a/typekit/src/main/res/values/attrs.xml
+++ b/typekit/src/main/res/values/attrs.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <declare-styleable name="Typekit">
-        <attr name="font" format="string"/>
+        <attr name="fontType" format="string"/>
     </declare-styleable>
 </resources>
\ No newline at end of file