diff --git a/mastodon/proguard-rules.pro b/mastodon/proguard-rules.pro
index 34f83b1b..e4ccdde4 100644
--- a/mastodon/proguard-rules.pro
+++ b/mastodon/proguard-rules.pro
@@ -50,4 +50,7 @@
 
 -keep class org.joinmastodon.android.AppCenterWrapper { *; }
 
--keepattributes LineNumberTable
\ No newline at end of file
+-keepattributes LineNumberTable
+-keep class com.google.gson.reflect.TypeToken
+-keep class * extends com.google.gson.reflect.TypeToken
+-keep public class * implements java.lang.reflect.Type