diff --git a/src/SharpEmu.Gpu.Vulkan.Native/CMakeLists.txt b/src/SharpEmu.Gpu.Vulkan.Native/CMakeLists.txt
index 07d726b..11e7428 100644
--- a/src/SharpEmu.Gpu.Vulkan.Native/CMakeLists.txt
+++ b/src/SharpEmu.Gpu.Vulkan.Native/CMakeLists.txt
@@ -1,3 +1,6 @@
+# Copyright (C) 2026 SharpEmu Emulator Project
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 cmake_minimum_required(VERSION 3.25)
 project(SharpEmuGpuVulkan VERSION 0.1.0 LANGUAGES CXX)
 
diff --git a/src/SharpEmu.Gpu.Vulkan.Native/tests/abi_test.cpp b/src/SharpEmu.Gpu.Vulkan.Native/tests/abi_test.cpp
index 1392bae..4024a37 100644
--- a/src/SharpEmu.Gpu.Vulkan.Native/tests/abi_test.cpp
+++ b/src/SharpEmu.Gpu.Vulkan.Native/tests/abi_test.cpp
@@ -1,3 +1,6 @@
+/* Copyright (C) 2026 SharpEmu Emulator Project
+ * SPDX-License-Identifier: GPL-2.0-or-later */
+
 #include "sharpemu_gpu_vulkan.h"
 #include <algorithm>
 #include <cstdint>
diff --git a/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.comp b/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.comp
index f1abb57..6f7ff68 100644
--- a/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.comp
+++ b/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.comp
@@ -1,3 +1,6 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 #version 450
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void main() {}
diff --git a/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.frag b/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.frag
index 091a058..d248f4d 100644
--- a/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.frag
+++ b/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.frag
@@ -1,3 +1,6 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 #version 450
 layout(location = 0) out vec4 color;
 layout(set = 0, binding = 1) uniform sampler2D sourceTexture;
diff --git a/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.vert b/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.vert
index c183949..561ee7b 100644
--- a/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.vert
+++ b/src/SharpEmu.Gpu.Vulkan.Native/tests/smoke.vert
@@ -1,3 +1,6 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 #version 450
 vec2 positions[3] = vec2[](vec2(-1.0, -1.0), vec2(3.0, -1.0), vec2(-1.0, 3.0));
 void main() { gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0); }