diff --git a/third_party/googleapis/google/devtools/build/v1/build_events.proto b/third_party/googleapis/google/devtools/build/v1/build_events.proto
index e745aee..c3a1fae 100644
--- a/third_party/googleapis/google/devtools/build/v1/build_events.proto
+++ b/third_party/googleapis/google/devtools/build/v1/build_events.proto
@@ -43,14 +43,6 @@
 
   // Notification that an invocation attempt has finished.
   message InvocationAttemptFinished {
-    // The status of the build request.
-    // If OK, the build request was run, though this does not mean the
-    // requested build tool succeeded. "exit_code" will be set to the
-    // exit code of the build tool.
-    // If not OK, the build request was not successfully executed.
-    // "exit_code" will not be set.
-    google.rpc.Status status = 1;
-
     // The exit code of the build tool.
     google.protobuf.Int32Value exit_code = 2;
 
@@ -168,12 +160,8 @@
 
     // A component that builds something.
     TOOL = 3;
-
-    DEPRECATED = 4;
   }
 
-  int64 project_number = 5;
-
   // The id of a Build message.
   string build_id = 1;
 
@@ -183,10 +171,6 @@
 
   // The component that emitted this event.
   BuildComponent component = 3;
-
-  // The unique invocation ID within this build.
-  // It should be the same as {invocation_id} below during the migration.
-  string invocation = 4;
 }
 
 // The type of console output stream.
diff --git a/third_party/googleapis/google/devtools/build/v1/build_status.proto b/third_party/googleapis/google/devtools/build/v1/build_status.proto
index 3c2cbb7..f88296c 100644
--- a/third_party/googleapis/google/devtools/build/v1/build_status.proto
+++ b/third_party/googleapis/google/devtools/build/v1/build_status.proto
@@ -60,4 +60,7 @@
 
   // The end result.
   Result result = 1;
+
+  // Fine-grained diagnostic information to complement the status.
+  google.protobuf.Any details = 2;
 }
diff --git a/third_party/googleapis/google/devtools/build/v1/publish_build_event.proto b/third_party/googleapis/google/devtools/build/v1/publish_build_event.proto
index 7589602..7d7b1cd 100644
--- a/third_party/googleapis/google/devtools/build/v1/publish_build_event.proto
+++ b/third_party/googleapis/google/devtools/build/v1/publish_build_event.proto
@@ -17,9 +17,7 @@
 package google.devtools.build.v1;
 
 import "google/api/annotations.proto";
-import "google/api/auth.proto";
 import "google/devtools/build/v1/build_events.proto";
-import "google/protobuf/any.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/empty.proto";
 
@@ -134,3 +132,29 @@
   // The actual event.
   BuildEvent event = 3;
 }
+
+message PublishBuildToolEventStreamRequest {
+  // The fist 3 fields are identical to OrderedBuildEvent so we can have wire-
+  // compatibility when migrating BES publishers.
+
+  // Which build event stream this event belongs to.
+  google.devtools.build.v1.StreamId stream_id = 1 [deprecated = true];
+
+  // The position of this event in the stream. The sequence numbers for a build
+  // event stream should be a sequence of consecutive natural numbers starting
+  // from one. (1, 2, 3, ...)
+  int64 sequence_number = 2 [deprecated = true];
+
+  // The actual event.
+  google.devtools.build.v1.BuildEvent event = 3 [deprecated = true];
+
+  // The build event with position info.
+  // New publishing clients should use this field rather than the 3 above.
+  OrderedBuildEvent ordered_build_event = 4;
+
+  // The keywords to be attached to the notification which notifies the start
+  // of a new build event stream. BES only reads this field when sequence_number
+  // or ordered_build_event.sequence_number is 1 in this message. If this field
+  // is empty, BES will not publish notification messages for this stream.
+  repeated string notification_keywords = 5;
+}