diff --git a/docs-android/app/build.gradle b/docs-android/app/build.gradle
index 4d0bb94a..89572db6 100644
--- a/docs-android/app/build.gradle
+++ b/docs-android/app/build.gradle
@@ -4,7 +4,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 apply plugin: 'com.android.application'
diff --git a/docs-android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/docs-android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index 1d2a2d4f..f750da1b 100644
Binary files a/docs-android/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/docs-android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/docs-android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/docs-android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index a4de9a1a..2b3882b3 100644
Binary files a/docs-android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/docs-android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ