diff --git a/main-command/src/main/scala/sbt/internal/client/BspClient.scala b/main-command/src/main/scala/sbt/internal/client/BspClient.scala
index 22a099a9a..51117ca0a 100644
--- a/main-command/src/main/scala/sbt/internal/client/BspClient.scala
+++ b/main-command/src/main/scala/sbt/internal/client/BspClient.scala
@@ -1,3 +1,10 @@
+/*
+ * sbt
+ * Copyright 2011 - 2018, Lightbend, Inc.
+ * Copyright 2008 - 2010, Mark Harrah
+ * Licensed under Apache License 2.0 (see LICENSE)
+ */
+
 package sbt.internal.client
 
 import java.io.{ File, InputStream, OutputStream }
diff --git a/main/src/main/scala/sbt/internal/server/BspCompileTask.scala b/main/src/main/scala/sbt/internal/server/BspCompileTask.scala
index a6efcb6ec..a0d035bf1 100644
--- a/main/src/main/scala/sbt/internal/server/BspCompileTask.scala
+++ b/main/src/main/scala/sbt/internal/server/BspCompileTask.scala
@@ -1,3 +1,10 @@
+/*
+ * sbt
+ * Copyright 2011 - 2018, Lightbend, Inc.
+ * Copyright 2008 - 2010, Mark Harrah
+ * Licensed under Apache License 2.0 (see LICENSE)
+ */
+
 package sbt.internal.server
 
 import sbt._
diff --git a/main/src/main/scala/sbt/internal/server/BuildServerReporter.scala b/main/src/main/scala/sbt/internal/server/BuildServerReporter.scala
index e90443e56..f6075109f 100644
--- a/main/src/main/scala/sbt/internal/server/BuildServerReporter.scala
+++ b/main/src/main/scala/sbt/internal/server/BuildServerReporter.scala
@@ -1,3 +1,10 @@
+/*
+ * sbt
+ * Copyright 2011 - 2018, Lightbend, Inc.
+ * Copyright 2008 - 2010, Mark Harrah
+ * Licensed under Apache License 2.0 (see LICENSE)
+ */
+
 package sbt.internal.server
 
 import sbt.StandardMain
diff --git a/protocol/src/main/scala/sbt/internal/bsp/BuildServerConnection.scala b/protocol/src/main/scala/sbt/internal/bsp/BuildServerConnection.scala
index bde9c9b26..b5cb81459 100644
--- a/protocol/src/main/scala/sbt/internal/bsp/BuildServerConnection.scala
+++ b/protocol/src/main/scala/sbt/internal/bsp/BuildServerConnection.scala
@@ -1,3 +1,10 @@
+/*
+ * sbt
+ * Copyright 2011 - 2018, Lightbend, Inc.
+ * Copyright 2008 - 2010, Mark Harrah
+ * Licensed under Apache License 2.0 (see LICENSE)
+ */
+
 package sbt.internal.bsp
 
 object BuildServerConnection {
diff --git a/protocol/src/main/scala/sbt/internal/bsp/BuildServerTasks.scala b/protocol/src/main/scala/sbt/internal/bsp/BuildServerTasks.scala
index 308ad0876..9a8737bf7 100644
--- a/protocol/src/main/scala/sbt/internal/bsp/BuildServerTasks.scala
+++ b/protocol/src/main/scala/sbt/internal/bsp/BuildServerTasks.scala
@@ -1,3 +1,10 @@
+/*
+ * sbt
+ * Copyright 2011 - 2018, Lightbend, Inc.
+ * Copyright 2008 - 2010, Mark Harrah
+ * Licensed under Apache License 2.0 (see LICENSE)
+ */
+
 package sbt.internal.bsp
 
 import java.util.concurrent.atomic.AtomicInteger
diff --git a/protocol/src/main/scala/sbt/internal/bsp/BuildTargetName.scala b/protocol/src/main/scala/sbt/internal/bsp/BuildTargetName.scala
index 48a53cf5c..1c3307542 100644
--- a/protocol/src/main/scala/sbt/internal/bsp/BuildTargetName.scala
+++ b/protocol/src/main/scala/sbt/internal/bsp/BuildTargetName.scala
@@ -1,3 +1,10 @@
+/*
+ * sbt
+ * Copyright 2011 - 2018, Lightbend, Inc.
+ * Copyright 2008 - 2010, Mark Harrah
+ * Licensed under Apache License 2.0 (see LICENSE)
+ */
+
 package sbt.internal.bsp
 
 object BuildTargetName {
diff --git a/protocol/src/main/scala/sbt/internal/bsp/BuildTargetTag.scala b/protocol/src/main/scala/sbt/internal/bsp/BuildTargetTag.scala
index d4785fa01..e522fb482 100644
--- a/protocol/src/main/scala/sbt/internal/bsp/BuildTargetTag.scala
+++ b/protocol/src/main/scala/sbt/internal/bsp/BuildTargetTag.scala
@@ -1,3 +1,10 @@
+/*
+ * sbt
+ * Copyright 2011 - 2018, Lightbend, Inc.
+ * Copyright 2008 - 2010, Mark Harrah
+ * Licensed under Apache License 2.0 (see LICENSE)
+ */
+
 package sbt.internal.bsp
 
 // https://build-server-protocol.github.io/docs/specification.html#build-target
diff --git a/protocol/src/main/scala/sbt/internal/bsp/StatusCode.scala b/protocol/src/main/scala/sbt/internal/bsp/StatusCode.scala
index 5614d4364..a5b75971f 100644
--- a/protocol/src/main/scala/sbt/internal/bsp/StatusCode.scala
+++ b/protocol/src/main/scala/sbt/internal/bsp/StatusCode.scala
@@ -1,3 +1,10 @@
+/*
+ * sbt
+ * Copyright 2011 - 2018, Lightbend, Inc.
+ * Copyright 2008 - 2010, Mark Harrah
+ * Licensed under Apache License 2.0 (see LICENSE)
+ */
+
 package sbt.internal.bsp
 
 object StatusCode {