diff --git a/sample/build.gradle b/sample/build.gradle
index 62f2f52..f65699e 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 26
+    compileSdkVersion 27
 
 
     defaultConfig {
         applicationId "cy.agorise.labs.sample"
         minSdkVersion 14
-        targetSdkVersion 26
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
 
@@ -30,7 +30,8 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     api project(':graphenej')
-    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support:recyclerview-v7:27.1.1'
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
     implementation 'com.jakewharton.rxbinding2:rxbinding:2.1.1'
     implementation 'com.jakewharton:butterknife:8.8.1'