diff --git a/oeffi/AndroidManifest.xml b/oeffi/AndroidManifest.xml
index f0437ba..9e5b3c6 100644
--- a/oeffi/AndroidManifest.xml
+++ b/oeffi/AndroidManifest.xml
@@ -19,8 +19,8 @@
 <manifest
     xmlns:android="http://schemas.android.com/apk/res/android"
     package="de.schildbach.oeffi"
-    android:versionCode="692"
-    android:versionName="11.4.5">
+    android:versionCode="120000"
+    android:versionName="12.0">
 
     <uses-sdk
         android:minSdkVersion="21"
diff --git a/oeffi/CHANGES b/oeffi/CHANGES
index 2d4ead3..15406cb 100644
--- a/oeffi/CHANGES
+++ b/oeffi/CHANGES
@@ -1,3 +1,8 @@
+v12.0
+
+* The app now requires Android 5.0 (Lollipop) or higher.
+* Introduce dark UI mode and UI improvements on Android 10 (and higher) devices.
+
 v11.4-v11.4.5
 
 * Show distance to station in the app-widget.