diff --git a/app/proguard.cfg b/app/proguard.cfg
index 9f248723a..a25664490 100644
--- a/app/proguard.cfg
+++ b/app/proguard.cfg
@@ -105,3 +105,6 @@
 
 # for ViewPageIndicator problems (https://github.com/JakeWharton/ViewPagerIndicator/issues/366):
 -dontwarn com.viewpagerindicator.LinePageIndicator
+
+# for some reason ProGuard removes this file. Why? Unsure.
+-keep class de.danoeh.antennapod.core.cast.SwitchableMediaRouteActionProvider { *; }
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 65c9f8ec4..ba2c005f5 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="de.danoeh.antennapod"
-    android:versionCode="1060002"
-    android:versionName="1.6.0.2">
+    android:versionCode="1060004"
+    android:versionName="1.6.0.4">
     <!--
       Version code schema:
       "1.2.3-SNAPSHOT" -> 1020300