diff --git a/android_app/app/build.gradle b/android_app/app/build.gradle
index d13faea3..d31d677d 100644
--- a/android_app/app/build.gradle
+++ b/android_app/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "com.health.openscale"
         minSdkVersion 18
         targetSdkVersion 22 // don't set target sdk > 22 otherwise bluetooth le discovery need permission to ACCESS_COARSE_LOCATION
-        versionCode 16
-        versionName "1.5.3"
+        versionCode 17
+        versionName "1.5.4"
     }
 
     lintOptions {
diff --git a/android_app/app/src/main/res/drawable-hdpi/ic_launcher_openscale.png b/android_app/app/src/main/res/drawable-hdpi/ic_launcher_openscale.png
index cb68c9cb..cb372c06 100644
Binary files a/android_app/app/src/main/res/drawable-hdpi/ic_launcher_openscale.png and b/android_app/app/src/main/res/drawable-hdpi/ic_launcher_openscale.png differ
diff --git a/android_app/app/src/main/res/drawable-ldpi/ic_launcher_openscale.png b/android_app/app/src/main/res/drawable-ldpi/ic_launcher_openscale.png
index 3b0a530c..6ee7c4ea 100644
Binary files a/android_app/app/src/main/res/drawable-ldpi/ic_launcher_openscale.png and b/android_app/app/src/main/res/drawable-ldpi/ic_launcher_openscale.png differ
diff --git a/android_app/app/src/main/res/drawable-mdpi/ic_launcher_openscale.png b/android_app/app/src/main/res/drawable-mdpi/ic_launcher_openscale.png
index 544a04f5..705f2688 100644
Binary files a/android_app/app/src/main/res/drawable-mdpi/ic_launcher_openscale.png and b/android_app/app/src/main/res/drawable-mdpi/ic_launcher_openscale.png differ
diff --git a/android_app/app/src/main/res/drawable-xhdpi/ic_launcher_openscale.png b/android_app/app/src/main/res/drawable-xhdpi/ic_launcher_openscale.png
index d3945541..f3bfa422 100644
Binary files a/android_app/app/src/main/res/drawable-xhdpi/ic_launcher_openscale.png and b/android_app/app/src/main/res/drawable-xhdpi/ic_launcher_openscale.png differ
diff --git a/android_app/app/src/main/res/drawable-xxhdpi/ic_launcher_openscale.png b/android_app/app/src/main/res/drawable-xxhdpi/ic_launcher_openscale.png
index ee07a320..18ff2dc0 100644
Binary files a/android_app/app/src/main/res/drawable-xxhdpi/ic_launcher_openscale.png and b/android_app/app/src/main/res/drawable-xxhdpi/ic_launcher_openscale.png differ
diff --git a/android_app/app/src/main/res/drawable-xxxhdpi/ic_launcher_openscale.png b/android_app/app/src/main/res/drawable-xxxhdpi/ic_launcher_openscale.png
index 6eba0686..29591dce 100644
Binary files a/android_app/app/src/main/res/drawable-xxxhdpi/ic_launcher_openscale.png and b/android_app/app/src/main/res/drawable-xxxhdpi/ic_launcher_openscale.png differ