diff --git a/Makefile b/Makefile
index dae53e0..d896703 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,7 @@ install-test-tools: all
 proto:
 	go install google.golang.org/protobuf/cmd/protoc-gen-go
 	cd pb/config; protoc --go_out=paths=source_relative:. config.proto
+	cd pb/seesaw; protoc --go_out=paths=source_relative:. seesaw.proto
 
 test: all
 	go test ./...
diff --git a/pb/seesaw/seesaw.pb.go b/pb/seesaw/seesaw.pb.go
index 06f1fa2..f43760b 100644
--- a/pb/seesaw/seesaw.pb.go
+++ b/pb/seesaw/seesaw.pb.go
@@ -1,3 +1,17 @@
+// Copyright 2020 Google Inc. All Rights Reserved
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.23.0