diff --git a/types/types.proto b/types/types.proto
index 2fe8ea7b..d1f27eae 100644
--- a/types/types.proto
+++ b/types/types.proto
@@ -255,6 +255,7 @@ message Evidence {
   RequestValidator validator = 2;
   int64 height = 3;
   int64 time = 4;
+  int64 total_voting_power = 5;
 }
 
 //----------------------------------------