diff --git a/README.md b/README.md
index a614fa113..db6f2b8ab 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ You can try it out here [Google Play](https://play.google.com/store/apps/details
 The MaterialDrawer Library is pushed to [Maven Central](http://search.maven.org/#search|ga|1|g%3A%22com.mikepenz.materialdrawer%22), so you just need to add the following dependency to your `build.gradle`.
 
 ```javascript
-compile('com.mikepenz.materialdrawer:library:2.8.2@aar') {
+compile('com.mikepenz.materialdrawer:library:2.9.0@aar') {
 	transitive = true
 }
 ```
@@ -56,6 +56,19 @@ Here's a quick overview what you have to do within your application.
 You can find a detailed description of all methods in the [WIKI](https://github.com/mikepenz/MaterialDrawer/wiki).
 
 ###Upgrade Notes
+#### < v2.9.0
+v2.9.0 now uses the latest com.android.support:appcompat version 22.1.1. Please update if you use an older version. It is now also required to set the theme within your layout for toolbars. (Especially for the DarkToolbar theme)
+```java
+<android.support.v7.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        android:background="?attr/colorPrimary"
+        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
+        app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
+        android:elevation="4dp"/>
+```
+
 #### < v2.8.0
 v2.8.0 now uses the latest com.android.support:appcompat version 22.1.0. Please update if you use an older version.
 
diff --git a/app/build.gradle b/app/build.gradle
index 0bb53f862..bb42e71f0 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "com.mikepenz.materialdrawer.app"
         minSdkVersion 11
         targetSdkVersion 22
-        versionCode 282
-        versionName "2.8.2"
+        versionCode 290
+        versionName "2.9.0"
     }
     buildTypes {
         release {
diff --git a/gradle.properties b/gradle.properties
index 4b7dcf62f..99a8c83cb 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -17,8 +17,8 @@
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 
-VERSION_NAME=2.8.2
-VERSION_CODE=282
+VERSION_NAME=2.9.0
+VERSION_CODE=290
 GROUP=com.mikepenz.materialdrawer
 
 POM_DESCRIPTION=MaterialDrawer Library
diff --git a/library/build.gradle b/library/build.gradle
index e18407818..c35d63734 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -7,8 +7,8 @@ android {
     defaultConfig {
         minSdkVersion 10
         targetSdkVersion 22
-        versionCode 282
-        versionName '2.8.2'
+        versionCode 290
+        versionName '2.9.0'
     }
 
     buildTypes {
diff --git a/library/src/main/res/values/library_materialdrawer_strings.xml b/library/src/main/res/values/library_materialdrawer_strings.xml
index c4946f985..2f609a867 100755
--- a/library/src/main/res/values/library_materialdrawer_strings.xml
+++ b/library/src/main/res/values/library_materialdrawer_strings.xml
@@ -10,7 +10,7 @@
         The <b>MaterialDrawer</b> library aims to provide the easiest possible implementation of a navigation drawer for your application.
         ]]>
     </string>
-    <string name="library_materialdrawer_libraryVersion">2.8.2</string>
+    <string name="library_materialdrawer_libraryVersion">2.9.0</string>
     <string name="library_materialdrawer_libraryWebsite">https://github.com/mikepenz/MaterialDrawer</string>
     <string name="library_materialdrawer_licenseId">apache_2_0</string>
     <string name="library_materialdrawer_isOpenSource">true</string>