diff --git a/README.md b/README.md
index f2fa587..f7ab024 100644
--- a/README.md
+++ b/README.md
@@ -4,13 +4,13 @@
 [![API](https://img.shields.io/badge/API-14%2B-blue.svg?style=flat)](https://android-arsenal.com/api?level=14)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/04aff697e57642bb96579fbaa6cc3dad)](https://www.codacy.com/app/yuriy-budiyev/circular-progress-bar?utm_source=github.com&utm_medium=referral&utm_content=yuriy-budiyev/circular-progress-bar&utm_campaign=Badge_Grade)
 
-Circular progress bar, supports animations and indeterminate mode, highly customizable
+Circular progress bar, supports animations and indeterminate mode, highly customizable, Kotlin-friendly
 
 ### Usage ([sample](https://github.com/yuriy-budiyev/lib-demo-app))
 Add dependency:
 ```gradle
 dependencies {
-    implementation 'com.budiyev.android:circular-progress-bar:1.1.9'
+    implementation 'com.budiyev.android:circular-progress-bar:1.2.0'
 }
 ```
 Define a view in your layout file:
@@ -44,6 +44,20 @@ Define a view in your layout file:
 </FrameLayout>
 ```
 And (or) add following code to your activity:
+
+Kotlin
+```kotlin
+class MainActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        val progressBar = findViewById<CircularProgressBar>(R.id.progress_bar)
+        progressBar.progress = 30f
+    }
+}
+```
+
+Java
 ```java
 public class MainActivity extends AppCompatActivity {
    @Override
diff --git a/build.gradle b/build.gradle
index bb7cec1..c194615 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.jfrog.bintray'
 ext {
     libraryName = 'CircularProgressBar'
     libraryDescription = 'Circular progress bar'
-    libraryVersion = '1.1.9'
+    libraryVersion = '1.2.0'
     artifact = 'circular-progress-bar'
     developerId = 'yuriy-budiyev'
     developerName = 'Yuriy Budiyev'
@@ -45,7 +45,7 @@ android {
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 27
-        versionCode 20
+        versionCode 21
         versionName libraryVersion
     }