diff --git a/src/test/resources/google/cloud/compute/v1small/compute.any-format.proto.baseline b/src/test/resources/google/cloud/compute/v1small/compute.any-format.proto.baseline
index db7495a..9ec5a99 100644
--- a/src/test/resources/google/cloud/compute/v1small/compute.any-format.proto.baseline
+++ b/src/test/resources/google/cloud/compute/v1small/compute.any-format.proto.baseline
@@ -182,6 +182,9 @@ message Address {
   // This is a field to test that we can create a map whose values are google.protobuf.ListValue.
   map<string, google.protobuf.ListValue> metadata_map_list_value = 117212259;
 
+  // This is a field to test that we can create a map whose values are google.protobuf.Value.
+  map<string, google.protobuf.Value> metadata_map_value = 453356478;
+
   // This is a field to test that we can create google.protobuf.Struct.
   optional google.protobuf.Struct metadata_struct = 224324325;
 
diff --git a/src/test/resources/google/cloud/compute/v1small/compute.v1small.any-format.json b/src/test/resources/google/cloud/compute/v1small/compute.v1small.any-format.json
index 2af77f5..bbf6d49 100644
--- a/src/test/resources/google/cloud/compute/v1small/compute.v1small.any-format.json
+++ b/src/test/resources/google/cloud/compute/v1small/compute.v1small.any-format.json
@@ -487,6 +487,14 @@
           "type": "any",
           "format": "google.protobuf.Value"
         },
+        "metadataMapValue": {
+          "description": "This is a field to test that we can create a map whose values are google.protobuf.Value.",
+          "type": "object",
+          "additionalProperties": {
+            "format" : "google.protobuf.Value",
+            "type": "any"
+          }
+        },
         "metadataListValue": {
           "description": "This is a field to test that we can create google.protobuf.ListValue.",
           "type": "array",