diff --git a/AppWithSettings/app/build.gradle b/AppWithSettings/app/build.gradle
index 659a455..f156ce4 100644
--- a/AppWithSettings/app/build.gradle
+++ b/AppWithSettings/app/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 25
-    buildToolsVersion "25.0.0"
+    buildToolsVersion "25.0.3"
     defaultConfig {
         applicationId "com.example.android.appwithsettings"
         minSdkVersion 15
@@ -24,9 +24,9 @@ dependencies {
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:25.0.1'
-    compile 'com.android.support:design:25.0.1'
-    compile 'com.android.support:support-v4:25.0.1'
+    compile 'com.android.support:appcompat-v7:25.3.1'
+    compile 'com.android.support:design:25.3.1'
+    compile 'com.android.support:support-v4:25.3.1'
     testCompile 'junit:junit:4.12'
-    compile 'com.android.support:preference-v7:25.0.1'
+    compile 'com.android.support:preference-v7:25.3.1'
 }
diff --git a/AppWithSettings/app/src/main/java/com/example/android/appwithsettings/MainActivity.java b/AppWithSettings/app/src/main/java/com/example/android/appwithsettings/MainActivity.java
index ef89f29..071e447 100644
--- a/AppWithSettings/app/src/main/java/com/example/android/appwithsettings/MainActivity.java
+++ b/AppWithSettings/app/src/main/java/com/example/android/appwithsettings/MainActivity.java
@@ -64,7 +64,7 @@ public void onClick(View view) {
         // The third argument is a boolean that indicates whether the default values
         // should be set more than once. When false, the system sets the default values
         // only if this method has never been called in the past.
-        PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
+        android.support.v7.preference.PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
 
         // Read settings
         SharedPreferences sharedPref =