diff --git a/src/bitdrift_public/protobuf/value_matcher/v1/value_matcher.proto b/src/bitdrift_public/protobuf/value_matcher/v1/value_matcher.proto
index f2276b5..dac2b87 100644
--- a/src/bitdrift_public/protobuf/value_matcher/v1/value_matcher.proto
+++ b/src/bitdrift_public/protobuf/value_matcher/v1/value_matcher.proto
@@ -69,7 +69,7 @@ message JsonPathValueMatch {
       option (validate.required) = true;
 
       string key = 1 [(validate.rules).string = {min_len: 1}];
-      int32 index = 2;
+      uint32 index = 2;
     }
   }