diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index ad42500..2d93355 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2021-2023 Winni Neessen <wn@neessen.dev>
+#
+# SPDX-License-Identifier: MIT
+
 name: Codecov workflow
 on:
   push:
diff --git a/.github/workflows/fuzzing.yml b/.github/workflows/fuzzing.yml
index afdc755..87dd287 100644
--- a/.github/workflows/fuzzing.yml
+++ b/.github/workflows/fuzzing.yml
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2021-2023 Winni Neessen <wn@neessen.dev>
+#
+# SPDX-License-Identifier: MIT
+
 name: Go fuzzing
 on:
   push:
diff --git a/common_fuzz_test.go b/common_fuzz_test.go
index cb4a456..4afa7a4 100644
--- a/common_fuzz_test.go
+++ b/common_fuzz_test.go
@@ -1,6 +1,6 @@
-// SPDX-FileCopyrightText: 2022 Winni Neessen <winni@neessen.dev>
+// SPDX-FileCopyrightText: 2021-2023 Winni Neessen <wn@neessen.dev>
 //
-// SPDX-License-Identifier: MI
+// SPDX-License-Identifier: MIT
 
 //go:build go1.18
 // +build go1.18