diff --git a/app/build.gradle b/app/build.gradle
index b5da977..f729f1c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion = "23.0.1"
+    compileSdkVersion 27
+    buildToolsVersion = "27.0.3"
 
     defaultConfig {
         applicationId "saulmm.myapplication"
         minSdkVersion 21
-        targetSdkVersion 23
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
     }
@@ -21,8 +21,8 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:23.2.1'
-    compile 'com.android.support:design:23.2.1'
-    compile 'com.android.support:cardview-v7:23.2.1'
-    compile 'de.hdodenhof:circleimageview:1.3.0'
+    compile 'com.android.support:appcompat-v7:27.0.2'
+    compile 'com.android.support:design:27.0.2'
+    compile 'com.android.support:cardview-v7:27.0.2'
+    compile 'de.hdodenhof:circleimageview:2.2.0'
 }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index e408cb7..d4dd6d3 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -145,8 +145,8 @@
         android:layout_height="@dimen/image_width"
         android:layout_gravity="center_horizontal"
         android:src="@drawable/quila"
-        app:border_color="@android:color/white"
-        app:border_width="2dp"
+        app:civ_border_color="@android:color/white"
+        app:civ_border_width="2dp"
         app:finalHeight="@dimen/image_final_width"
         app:finalYPosition="2dp"
         app:layout_behavior="saulmm.myapplication.AvatarImageBehavior"
diff --git a/build.gradle b/build.gradle
index c2a9c99..6d95c81 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,14 +4,16 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.0-alpha3'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }