diff --git a/app/proguard.cfg b/app/proguard.cfg
index 8f55fffd..09d6eeaa 100644
--- a/app/proguard.cfg
+++ b/app/proguard.cfg
@@ -153,4 +153,6 @@
 -keepclassmembers class ** {
     @com.squareup.otto.Subscribe public *;
     @com.squareup.otto.Produce public *;
-}
\ No newline at end of file
+}
+
+-dontwarn com.google.protobuf.*