diff --git a/mastodon/proguard-rules.pro b/mastodon/proguard-rules.pro
index d2e08eb2..d076fa64 100644
--- a/mastodon/proguard-rules.pro
+++ b/mastodon/proguard-rules.pro
@@ -38,4 +38,10 @@
 -keepclassmembers,allowobfuscation class * {
   @com.google.gson.annotations.SerializedName <fields>;
   @com.squareup.otto.Subscribe <methods>;
-}
\ No newline at end of file
+}
+
+-keep class com.microsoft.appcenter.** {
+	*;
+}
+
+-keep class org.joinmastodon.android.AppCenterWrapper { *; }
\ No newline at end of file