diff --git a/CMakeModules/CopyYuzuSDLDeps.cmake b/CMakeModules/CopyYuzuSDLDeps.cmake
index c3935794ca..512059949a 100644
--- a/CMakeModules/CopyYuzuSDLDeps.cmake
+++ b/CMakeModules/CopyYuzuSDLDeps.cmake
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
 # SPDX-FileCopyrightText: 2016 Citra Emulator Project
 # SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/CMakeModules/MinGWClangCross.cmake b/CMakeModules/MinGWClangCross.cmake
index 11ed402380..9ad3da0ad9 100644
--- a/CMakeModules/MinGWClangCross.cmake
+++ b/CMakeModules/MinGWClangCross.cmake
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
 # SPDX-FileCopyrightText: 2022 yuzu Emulator Project
 # SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/CMakeModules/MinGWCross.cmake b/CMakeModules/MinGWCross.cmake
index 5cebe81a6e..4bfce57f0e 100644
--- a/CMakeModules/MinGWCross.cmake
+++ b/CMakeModules/MinGWCross.cmake
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
 # SPDX-FileCopyrightText: 2018 tech4me <guiwanglong@gmail.com>
 # SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/externals/gamemode/gamemode_client.h b/externals/gamemode/gamemode_client.h
index 5bda6d26f8..7686bb927e 100644
--- a/externals/gamemode/gamemode_client.h
+++ b/externals/gamemode/gamemode_client.h
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 /*
 
 Copyright (c) 2017-2019, Feral Interactive
diff --git a/src/frontend_common/config.cpp b/src/frontend_common/config.cpp
index a0b2af5c8c..fc066ac7df 100644
--- a/src/frontend_common/config.cpp
+++ b/src/frontend_common/config.cpp
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/input_common/CMakeLists.txt b/src/input_common/CMakeLists.txt
index 05a123fd6e..92a353c1b5 100644
--- a/src/input_common/CMakeLists.txt
+++ b/src/input_common/CMakeLists.txt
@@ -1,3 +1,5 @@
+# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+# SPDX-License-Identifier: GPL-3.0-or-later
 # SPDX-FileCopyrightText: 2018 yuzu Emulator Project
 # SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/input_common/drivers/joycon.h b/src/input_common/drivers/joycon.h
index 92ebf0c813..85060b6a03 100644
--- a/src/input_common/drivers/joycon.h
+++ b/src/input_common/drivers/joycon.h
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/input_common/drivers/sdl_driver.h b/src/input_common/drivers/sdl_driver.h
index 98f29e488a..a46b3012ea 100644
--- a/src/input_common/drivers/sdl_driver.h
+++ b/src/input_common/drivers/sdl_driver.h
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: 2018 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/input_common/helpers/joycon_protocol/joycon_types.h b/src/input_common/helpers/joycon_protocol/joycon_types.h
index 439becb2ed..de1a11c60e 100644
--- a/src/input_common/helpers/joycon_protocol/joycon_types.h
+++ b/src/input_common/helpers/joycon_protocol/joycon_types.h
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/input_common/main.cpp b/src/input_common/main.cpp
index 97a86a750a..f2326d72ab 100644
--- a/src/input_common/main.cpp
+++ b/src/input_common/main.cpp
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: 2017 Citra Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl3_gl.h b/src/yuzu_cmd/emu_window/emu_window_sdl3_gl.h
index 5b664d5314..ff06f808da 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl3_gl.h
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl3_gl.h
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl3_null.cpp b/src/yuzu_cmd/emu_window/emu_window_sdl3_null.cpp
index 0704862061..865b069a51 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl3_null.cpp
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl3_null.cpp
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl3_null.h b/src/yuzu_cmd/emu_window/emu_window_sdl3_null.h
index 6f43cc7997..8e69089f9f 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl3_null.h
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl3_null.h
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl3_vk.cpp b/src/yuzu_cmd/emu_window/emu_window_sdl3_vk.cpp
index dada5d308e..2624c3df73 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl3_vk.cpp
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl3_vk.cpp
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl3_vk.h b/src/yuzu_cmd/emu_window/emu_window_sdl3_vk.h
index df6fc391ad..087897f413 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl3_vk.h
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl3_vk.h
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
diff --git a/src/yuzu_cmd/sdl_config.cpp b/src/yuzu_cmd/sdl_config.cpp
index 5d303571b1..9a72307b16 100644
--- a/src/yuzu_cmd/sdl_config.cpp
+++ b/src/yuzu_cmd/sdl_config.cpp
@@ -1,3 +1,5 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
 // SPDX-FileCopyrightText: 2023 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later