diff --git a/datadog/policy/dashboard.sentinel b/datadog/policy/dashboard.sentinel
index c80b02a..804b882 100644
--- a/datadog/policy/dashboard.sentinel
+++ b/datadog/policy/dashboard.sentinel
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 import "tfplan/v2" as tfplan
 
 resources = values(tfplan.planned_values.resources)
diff --git a/datadog/policy/monitor.sentinel b/datadog/policy/monitor.sentinel
index f601570..99c2287 100644
--- a/datadog/policy/monitor.sentinel
+++ b/datadog/policy/monitor.sentinel
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 import "tfplan/v2" as tfplan
 
 resources = values(tfplan.planned_values.resources)
diff --git a/datadog/policy/test/testdata/mock-tfplan-fail.sentinel b/datadog/policy/test/testdata/mock-tfplan-fail.sentinel
index ab974e0..dc1b008 100644
--- a/datadog/policy/test/testdata/mock-tfplan-fail.sentinel
+++ b/datadog/policy/test/testdata/mock-tfplan-fail.sentinel
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 terraform_version = "0.12.24"
 
 planned_values = {
diff --git a/datadog/policy/test/testdata/mock-tfplan-v2.sentinel b/datadog/policy/test/testdata/mock-tfplan-v2.sentinel
index a725256..52e362a 100644
--- a/datadog/policy/test/testdata/mock-tfplan-v2.sentinel
+++ b/datadog/policy/test/testdata/mock-tfplan-v2.sentinel
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 terraform_version = "0.12.24"
 
 planned_values = {