diff --git a/.gitmodules b/.gitmodules
index 0171562..89e84e5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -23,3 +23,6 @@
 [submodule "Keishiki/ext/vg-renderer"]
 	path = Keishiki/ext/vg-renderer
 	url = https://github.com/jdryg/vg-renderer.git
+[submodule "Keishiiki/ext/SDL"]
+	path = Keishiki/ext/SDL
+	url = https://github.com/libsdl-org/SDL.git
diff --git a/Keishiki/CMakeLists.txt b/Keishiki/CMakeLists.txt
index 3b29dca..2ed81e8 100644
--- a/Keishiki/CMakeLists.txt
+++ b/Keishiki/CMakeLists.txt
@@ -1,4 +1,4 @@
-# CMakeList.txt : CMake project for Keishiki, include source and define
+# CMakeList.txt : CMake project for Keishiki, include source and define
 # project specific logic here.
 #
 cmake_minimum_required (VERSION 3.16)
@@ -43,7 +43,6 @@ if (WIN32)
 elseif (APPLE)
 	target_link_libraries (Keishiki PRIVATE bgfx bx SDL3::SDL3 fmt)
 else ()
-	find_package(SDL3 REQUIRED CONFIG REQUIRED COMPONENTS SDL3-shared)
 	find_package(ECM REQUIRED NO_MODULE)
 	set(CMAKE_MODULE_PATH ${ECM_FIND_MODULE_DIR})
 	find_package(Wayland REQUIRED Egl)