diff --git a/MODULE.bazel b/MODULE.bazel
index 935d0c9..1c4273c 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -1,3 +1,7 @@
+# Copyright lowRISC contributors.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+
 module(name = "lowrisc_misc_linters")
 
 bazel_dep(name = "rules_python", version = "0.32.2")
diff --git a/WORKSPACE.bzlmod b/WORKSPACE.bzlmod
index fc848f6..0902d0b 100644
--- a/WORKSPACE.bzlmod
+++ b/WORKSPACE.bzlmod
@@ -1,2 +1,6 @@
+# Copyright lowRISC contributors.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+
 load("@aspect_rules_lint//lint:ruff.bzl", "fetch_ruff")
 fetch_ruff()