diff --git a/launcher/include/crtrand.h b/launcher/include/crtrand.h
index db5f670..dbf5f14 100644
--- a/launcher/include/crtrand.h
+++ b/launcher/include/crtrand.h
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2025 Joshua Goins <josh@redstrate.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 #pragma once
 
 #include <cstdint>
diff --git a/launcher/src/crtrand.cpp b/launcher/src/crtrand.cpp
index 4f4f114..1efa4e4 100644
--- a/launcher/src/crtrand.cpp
+++ b/launcher/src/crtrand.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: 2025 Joshua Goins <josh@redstrate.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 #include "crtrand.h"
 
 CrtRand::CrtRand(const uint32_t seed)