diff --git a/app/build.gradle b/app/build.gradle
index 6ebb0d1..d4e8f52 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 19
-    buildToolsVersion "23.0.1"
+    compileSdkVersion 26
+    buildToolsVersion '28.0.3'
 
     defaultConfig {
         applicationId "com.tesobe.hello_obp"
         minSdkVersion 7
-        targetSdkVersion 19
+        targetSdkVersion 26
     }
 
     buildTypes {
@@ -19,6 +19,6 @@ android {
 }
 
 dependencies {
-    compile(group: 'oauth.signpost', name: 'signpost-core', version: '1.2.1.2')
-    compile(group: 'oauth.signpost', name: 'signpost-commonshttp4', version: '1.2.1.2')
+    implementation(group: 'oauth.signpost', name: 'signpost-core', version: '1.2.1.2')
+    implementation(group: 'oauth.signpost', name: 'signpost-commonshttp4', version: '1.2.1.2')
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 5c47682..b903f50 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- 
+<?xml version="1.0" encoding="utf-8"?><!--
                                  Apache License
                            Version 2.0, January 2004
                         http://www.apache.org/licenses/
@@ -195,23 +194,19 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.tesobe.hello_obp"
     android:versionCode="1"
-    android:versionName="1.0" >
-
-    <uses-sdk
-        android:minSdkVersion="7"
-        android:targetSdkVersion="19" />
+    android:versionName="1.0">
 
     <uses-permission android:name="android.permission.INTERNET" />
-    
+
     <application
         android:allowBackup="true"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
-        android:theme="@style/AppTheme" >
+        android:theme="@style/AppTheme">
         <activity
             android:name="com.tesobe.hello_obp.activity.OAuthActivity"
             android:noHistory="true"
-            android:theme="@android:style/Theme.NoTitleBar" >
+            android:theme="@android:style/Theme.NoTitleBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
@@ -219,21 +214,21 @@
         </activity>
         <activity
             android:name="com.tesobe.hello_obp.activity.AuthenticateActivity"
-            android:noHistory="true"
-            android:launchMode="singleInstance">
+            android:launchMode="singleInstance"
+            android:noHistory="true">
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
+
                 <category android:name="android.intent.category.DEFAULT" />
-        		<category android:name="android.intent.category.BROWSABLE" />
-        		<!-- You will want to set customAppProtocol to something unique to avoid having Android
-        		give the user more than one app to pick from to handle the oauth callback -->
-                <data android:scheme="@string/customAppProtocol"/>
+                <category android:name="android.intent.category.BROWSABLE" />
+                <!-- You will want to set customAppProtocol to something unique to avoid having Android
+                give the user more than one app to pick from to handle the oauth callback -->
+                <data android:scheme="@string/customAppProtocol" />
             </intent-filter>
         </activity>
         <activity
             android:name="com.tesobe.hello_obp.activity.MainActivity"
-            android:label="@string/app_name" >
-        </activity>
+            android:label="@string/app_name"></activity>
     </application>
 
 </manifest>
diff --git a/build.gradle b/build.gradle
index f4d8c54..47cf56f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,14 +2,16 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.5.0'
+        classpath 'com.android.tools.build:gradle:3.2.1'
     }
 }
 
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index f23df6e..c59b726 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Oct 21 11:34:03 PDT 2015
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.8-all.zip
+#Tue Jan 15 14:48:06 EET 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip