diff --git a/README.md b/README.md
index 0aa63e4..368fdfc 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
-[![Maven Central](https://maven-badges.herokuapp.com/maven-central/co.paystack.android/paystack-android/badge.svg)](https://maven-badges.herokuapp.com/maven-central/co.paystack.android/paystack-android)
-[![API](https://img.shields.io/badge/API-16%2B-blue.svg?style=plastic)](https://android-arsenal.com/api?level=16)
+[ ![Download](https://api.bintray.com/packages/paystack/maven/paystack-android/images/download.svg) ](https://bintray.com/paystack/maven/paystack-android/_latestVersion)
+[![Min API](https://img.shields.io/badge/API-16%2B-blue.svg?style=plastic)](https://android-arsenal.com/api?level=16)
 
 
 
@@ -37,10 +37,11 @@ You do not need to clone this repository or download the files. Just add the fol
 
 ```gradle
 dependencies {
-    implementation 'co.paystack.android.design.widget:pinpad:1.0.4'
-    implementation 'co.paystack.android:paystack:3.0.17'
+    implementation 'co.paystack.android:paystack:3.0.18'
 }
 ```
+From version `3.0.18`, the Pinpad library comes as part of this library and does not need to be explicitly included in your dependencies.
+
 
 ### Eclipse
 To use this library with Eclipse, you need to:
@@ -59,7 +60,7 @@ To prepare for use, you must ensure that your app has internet permissions by ma
 <uses-permission android:name="android.permission.INTERNET" />
 ```
 
-### 1. initializeSdk
+### 1. Initialize SDK
 
 To use the Paystack Android SDK, you need to first initialize it using the `PaystackSdk` class.
 
diff --git a/build.gradle b/build.gradle
index e6d8ce9..34647bb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,9 +6,9 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.6.1'
+        classpath 'com.android.tools.build:gradle:4.0.0'
         classpath 'org.robolectric:robolectric-gradle-plugin:1.1.0'
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.5'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -26,9 +26,9 @@ ext {
     compileSdkVersion = 29
     minSdkVersion = 16
     targetSdkVersion = 29
-    versionCode = 26
+    versionCode = 27
 
     buildToolsVersion = "29.0.2"
     supportLibraryVersion = "28.0.0"
-    versionName = "3.0.17"
+    versionName = "3.0.18"
 }
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 6154423..fe708f7 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Mar 25 12:49:33 WAT 2020
+#Wed Jun 03 13:36:41 WAT 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
diff --git a/paystack/bintray-config.gradle b/paystack/bintray-config.gradle
new file mode 100644
index 0000000..7348268
--- /dev/null
+++ b/paystack/bintray-config.gradle
@@ -0,0 +1,50 @@
+apply plugin: 'com.jfrog.bintray'
+
+version = libraryVersion
+
+task sourcesJar(type: Jar) {
+    from android.sourceSets.main.java.srcDirs
+    classifier = 'sources'
+}
+
+task javadoc(type: Javadoc) {
+    source = android.sourceSets.main.java.srcDirs
+    classpath += configurations.compile
+    classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
+}
+
+task javadocJar(type: Jar, dependsOn: javadoc) {
+    classifier = 'javadoc'
+    from javadoc.destinationDir
+}
+artifacts {
+    // archives javadocJar
+    archives sourcesJar
+}
+
+// Bintray
+Properties properties = new Properties()
+properties.load(project.rootProject.file('local.properties').newDataInputStream())
+
+bintray {
+    user = properties.getProperty("bintray.user")
+    key = properties.getProperty("bintray.apikey")
+    publications = ['library']
+
+    configurations = ['archives']
+    pkg {
+        repo = bintrayRepo
+        name = bintrayName
+        desc = libraryDescription
+        publish = true
+        publicDownloadNumbers = true
+        version {
+            desc = libraryDescription
+//             Optional. The passphrase for GPG signing'
+            gpg {
+                sign = true //Determines whether to GPG sign the files. The default is false
+                passphrase = properties.getProperty("bintray.gpg.password")
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/paystack/build.gradle b/paystack/build.gradle
index db61c67..167a077 100644
--- a/paystack/build.gradle
+++ b/paystack/build.gradle
@@ -1,6 +1,7 @@
 apply plugin: 'com.android.library'
 apply plugin: "com.jfrog.bintray"
 apply plugin: 'com.github.dcendents.android-maven'
+apply plugin: 'maven-publish'
 
 android {
     compileSdkVersion rootProject.ext.compileSdkVersion
@@ -30,13 +31,38 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'com.google.code.gson:gson:2.8.5'
-    implementation 'com.squareup.retrofit2:retrofit:2.6.2'
+    implementation 'com.squareup.retrofit2:retrofit:2.9.0'
     implementation 'com.squareup.retrofit2:converter-gson:2.5.0'
-    implementation 'com.squareup.okhttp3:okhttp:3.14.6'
+    implementation 'com.squareup.okhttp3:okhttp:3.14.9'
     implementation "com.android.support:appcompat-v7:$rootProject.ext.supportLibraryVersion"
     implementation 'co.paystack.android.design.widget:pinpad:1.0.4'
 }
 
+project.afterEvaluate {
+    publishing {
+        publications {
+            library(MavenPublication) {
+                setGroupId 'co.paystack.android'
+                setArtifactId 'paystack'
+                version android.defaultConfig.versionName
+                artifact bundleReleaseAar
+
+                pom.withXml {
+                    def dependenciesNode = asNode().appendNode('dependencies')
+                    configurations.implementation.allDependencies.each {
+                        if (it.name != 'unspecified') {
+                            def dependencyNode = dependenciesNode.appendNode('dependency')
+                            dependencyNode.appendNode('groupId', it.group)
+                            dependencyNode.appendNode('artifactId', it.name)
+                            dependencyNode.appendNode('version', it.version)
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
 ext {
     // Where you will see your artifact in Bintray's web interface
     // The "bintrayName" should match the name of the Bintray repro.
@@ -64,6 +90,5 @@ ext {
     licenseUrl = 'https://raw.githubusercontent.com/PaystackHQ/paystack-android/master/LICENSE.txt'
     allLicenses = ["Apache-2.0"]
 }
-
 apply from: 'https://raw.githubusercontent.com/ibrahimlawal/JCenter/master/installv1.gradle'
-apply from: 'https://raw.githubusercontent.com/ibrahimlawal/JCenter/master/bintrayv1.gradle'
+apply from: "$rootProject.projectDir/paystack/bintray-config.gradle"