diff --git a/proguard.cfg b/proguard.cfg
index b1cdf17b5..fb585292e 100644
--- a/proguard.cfg
+++ b/proguard.cfg
@@ -38,3 +38,12 @@
 -keep class * implements android.os.Parcelable {
   public static final android.os.Parcelable$Creator *;
 }
+
+-keep class android.support.v4.app.** { *; }
+-keep interface android.support.v4.app.** { *; }
+-keep class com.actionbarsherlock.** { *; }
+-keep interface com.actionbarsherlock.** { *; }
+
+-keepattributes *Annotation*
+-dontwarn android.support.**
+-dontwarn org.shredzone.flattr4j.**