diff --git a/app/build.gradle b/app/build.gradle
index 871bf25..1c9ed32 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "de.marcelkapfer.morseconverter"
         minSdkVersion 11
         targetSdkVersion 22
-        versionCode 221
-        versionName "2.2.1"
+        versionCode 222
+        versionName "2.2.2"
     }
     buildTypes {
         release {
diff --git a/app/src/main/res/drawable-hdpi/ic_launcher.png b/app/src/main/res/drawable-hdpi/ic_launcher.png
index f586d79..8fe4016 100644
Binary files a/app/src/main/res/drawable-hdpi/ic_launcher.png and b/app/src/main/res/drawable-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_launcher.png b/app/src/main/res/drawable-mdpi/ic_launcher.png
index a3831c7..1e2b823 100644
Binary files a/app/src/main/res/drawable-mdpi/ic_launcher.png and b/app/src/main/res/drawable-mdpi/ic_launcher.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_launcher.png b/app/src/main/res/drawable-xhdpi/ic_launcher.png
index ef7e422..6dd2a98 100644
Binary files a/app/src/main/res/drawable-xhdpi/ic_launcher.png and b/app/src/main/res/drawable-xhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_launcher.png b/app/src/main/res/drawable-xxhdpi/ic_launcher.png
index 11e76a0..715af83 100644
Binary files a/app/src/main/res/drawable-xxhdpi/ic_launcher.png and b/app/src/main/res/drawable-xxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_launcher.png b/app/src/main/res/drawable-xxxhdpi/ic_launcher.png
index 0ea3fef..88490aa 100644
Binary files a/app/src/main/res/drawable-xxxhdpi/ic_launcher.png and b/app/src/main/res/drawable-xxxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/drawable/feature_graphics.png b/app/src/main/res/drawable/feature_graphics.png
index c91412c..141e32f 100644
Binary files a/app/src/main/res/drawable/feature_graphics.png and b/app/src/main/res/drawable/feature_graphics.png differ