diff --git a/README.md b/README.md
index bcad8c3..18a2c4a 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ TestObserver to easily test LiveData and make assertions on them.
 
 Read [Medium Article](https://medium.com/@josef.raska/effective-livedata-and-viewmodel-testing-17f25069fcd4) for more info.
 
-[![License](img/livedata-testing.png)](https://medium.com/@josef.raska/effective-livedata-and-viewmodel-testing-17f25069fcd4)
+[![Explanatory Diagram](img/livedata-testing.png)](https://medium.com/@josef.raska/effective-livedata-and-viewmodel-testing-17f25069fcd4)
 
 ## Usage
 
@@ -34,16 +34,19 @@ TestObserver.test(liveData)
   .assertNever(value -> value > 4);
 ```
 
-Don't forget to use `InstantTaskExecutorRule` from `android.arch.core:core-testing` to make your LiveData test run properly.
+Don't forget to use `InstantTaskExecutorRule` from `androidx.arch.core:core-testing` to make your LiveData test run properly.
 
 ## Download
 
 Grab via Gradle:
 ```groovy
-testImplementation 'com.jraska.livedata:testing:0.2.0'
-testImplementation 'com.jraska.livedata:testing-ktx:0.2.0' // If you are Kotlin positive
+testImplementation 'com.jraska.livedata:testing:0.3.0'
+testImplementation 'com.jraska.livedata:testing-ktx:0.3.0' // If you are Kotlin positive
 ```
 
+If you are not using `androidx` namespace yet, please use version 0.2.0. Explanation [here](https://android-developers.googleblog.com/2018/05/hello-world-androidx.html).
+
+
 ## Philosophy
 
 This library is created in a belief that to effective and valuable test should be fast to write and model real code usage.
diff --git a/build.gradle b/build.gradle
index fd4418f..fde5761 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,6 +27,6 @@ task clean(type: Delete) {
 }
 
 ext {
-  version = '0.2.0'
-  versionCode = 5
+  version = '0.3.0'
+  versionCode = 6
 }
diff --git a/testing-ktx/build.gradle b/testing-ktx/build.gradle
index 39edb12..2ca3118 100644
--- a/testing-ktx/build.gradle
+++ b/testing-ktx/build.gradle
@@ -4,11 +4,11 @@ apply plugin: 'kotlin-android'
 version = rootProject.ext.version
 
 android {
-  compileSdkVersion 27
-  buildToolsVersion '27.0.3'
+  compileSdkVersion 28
+  buildToolsVersion '28.0.2'
   defaultConfig {
     minSdkVersion 19
-    targetSdkVersion 27
+    targetSdkVersion 28
     versionName version
     versionCode rootProject.ext.versionCode
   }