diff --git a/protos/in_toto_attestation/predicates/vuln/v1/vuln.proto b/protos/in_toto_attestation/predicates/vuln/v0.1/vuln.proto
similarity index 84%
rename from protos/in_toto_attestation/predicates/vuln/v1/vuln.proto
rename to protos/in_toto_attestation/predicates/vuln/v0.1/vuln.proto
index fc4dca45..0d0c57ee 100644
--- a/protos/in_toto_attestation/predicates/vuln/v1/vuln.proto
+++ b/protos/in_toto_attestation/predicates/vuln/v0.1/vuln.proto
@@ -1,6 +1,6 @@
 syntax = "proto3";
 
-package in_toto_attestation.predicates.vuln.v1;
+package in_toto_attestation.predicates.vuln.v01;
 
 import "google/protobuf/struct.proto";
 import "google/protobuf/timestamp.proto";
@@ -16,9 +16,9 @@ message Vuln {
 
 message Scanner {
   string uri = 1;
-  string version = 2;
+  optional string version = 2;
   VulnDatabase database = 3;
-  Result result = 4;
+  repeated Result result = 4;
 }
 
 message VulnDatabase {
@@ -28,10 +28,6 @@ message VulnDatabase {
 }
 
 message Result {
- repeated Vulnerability vulnerabilities = 3;
-}
-
-message Vulnerability {
   string id = 1;
   repeated Severity severity = 2;