diff --git a/README.md b/README.md
index 5d82eca..e17b4ed 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Download the latest release from GitHub, then add the PromisePay package to your
 ## Gradle
 
 ```Java
-compile 'com.github.promisepay:promisepay:0.2.1'
+implementation 'com.github.promisepay:promisepay:0.1.2'
 ```
 ## Maven
 
@@ -17,7 +17,7 @@ compile 'com.github.promisepay:promisepay:0.2.1'
 <dependency>
   <groupId>com.github.promisepay</groupId>
   <artifactId>promisepay</artifactId>
-  <version>0.2.1</version>
+  <version>0.1.2</version>
 </dependency>
 ```
 
diff --git a/app/build.gradle b/app/build.gradle
index 7ab9df4..fd93f3a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    compileSdkVersion 28
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         applicationId "com.github.promisepayandroid"
         minSdkVersion 15
-        targetSdkVersion 23
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
     }
@@ -17,12 +17,16 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-    testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:23.1.1'
-    compile 'com.android.support:design:23.1.1'
-    compile project(':promisepay')
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    testImplementation 'junit:junit:4.12'
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support:design:28.0.0'
+    implementation project(':promisepay')
 }
diff --git a/build.gradle b/build.gradle
index 7faca51..42ec169 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,18 +2,20 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.0'
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.4'
-        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.3'
+        classpath 'com.android.tools.build:gradle:3.3.2'
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
     }
 }
 
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 1dabc84..787c961 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ 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-4.10.1-all.zip
diff --git a/promisepay/build.gradle b/promisepay/build.gradle
index 30a6f4d..feb3ae6 100644
--- a/promisepay/build.gradle
+++ b/promisepay/build.gradle
@@ -13,7 +13,7 @@ ext {
     siteUrl = 'https://github.com/PromisePay/android-sdk'
     gitUrl = 'https://github.com/PromisePay/android-sdk.git'
 
-    libraryVersion = '0.1.1'
+    libraryVersion = '0.1.2'
 
     developerId = 'kevinhakans'
     developerName = 'Kevin Hakans'
@@ -25,14 +25,14 @@ ext {
 }
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    compileSdkVersion 28
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         minSdkVersion 15
-        targetSdkVersion 23
-        versionCode 2
-        versionName "0.1.1"
+        targetSdkVersion 28
+        versionCode 3
+        versionName "0.1.2"
     }
     buildTypes {
         release {
@@ -40,13 +40,17 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:23.1.1'
-    compile 'io.card:android-sdk:5.3.4'
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    testImplementation 'junit:junit:4.12'
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'io.card:android-sdk:5.3.4'
 }