diff --git a/entc/integration/ent/schema/item.go b/entc/integration/ent/schema/item.go
index 7b1fa4297..0a7b3e62b 100644
--- a/entc/integration/ent/schema/item.go
+++ b/entc/integration/ent/schema/item.go
@@ -1,3 +1,7 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
 package schema
 
 import "github.com/facebookincubator/ent"
diff --git a/entc/tools.go b/entc/tools.go
index ae4da8965..9845af2c1 100644
--- a/entc/tools.go
+++ b/entc/tools.go
@@ -1,3 +1,7 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
 // +build tools
 
 package main
diff --git a/examples/start/ent/schema/car.go b/examples/start/ent/schema/car.go
index bab1bd7b8..2f27443bd 100644
--- a/examples/start/ent/schema/car.go
+++ b/examples/start/ent/schema/car.go
@@ -1,3 +1,7 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
 package schema
 
 import (
diff --git a/examples/start/ent/schema/group.go b/examples/start/ent/schema/group.go
index 0dd803ef8..5210b841a 100644
--- a/examples/start/ent/schema/group.go
+++ b/examples/start/ent/schema/group.go
@@ -1,3 +1,7 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
 package schema
 
 import (
diff --git a/examples/start/ent/schema/user.go b/examples/start/ent/schema/user.go
index 6c64f1792..f6d62a7e1 100644
--- a/examples/start/ent/schema/user.go
+++ b/examples/start/ent/schema/user.go
@@ -1,3 +1,7 @@
+// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
 package schema
 
 import (