diff --git a/external/libwebp/CMakeLists.txt b/external/libwebp/CMakeLists.txt
index 59cc3e9..b118cbe 100644
--- a/external/libwebp/CMakeLists.txt
+++ b/external/libwebp/CMakeLists.txt
@@ -6,6 +6,7 @@ option(TOMATO_DEP_LIBWEBP_USE_SYSTEM "Prefer system provided libwebp" OFF)
 
 if (TOMATO_DEP_LIBWEBP_USE_SYSTEM)
 	if (NOT TARGET WebP::libwebpmux)
+		cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
 		find_package(WebP CONFIG GLOBAL QUIET COMPONENTS webp webpdemux libwebpmux)
 	endif()
 
diff --git a/external/sdl/CMakeLists.txt b/external/sdl/CMakeLists.txt
index 2fe8468..72b84b5 100644
--- a/external/sdl/CMakeLists.txt
+++ b/external/sdl/CMakeLists.txt
@@ -6,6 +6,7 @@ option(TOMATO_DEP_SDL_USE_SYSTEM "Prefer system provided SDL" OFF)
 
 if (TOMATO_DEP_SDL_USE_SYSTEM)
 	if (NOT TARGET SDL3::SDL3)
+		cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
 		#find_package(SDL3 REQUIRED CONFIG REQUIRED COMPONENTS SDL3-shared)
 		find_package(SDL3 CONFIG GLOBAL QUIET)
 	endif()
diff --git a/external/sdl_image/CMakeLists.txt b/external/sdl_image/CMakeLists.txt
index 3734f8b..8210cb4 100644
--- a/external/sdl_image/CMakeLists.txt
+++ b/external/sdl_image/CMakeLists.txt
@@ -6,6 +6,7 @@ option(TOMATO_DEP_SDL_IMAGE_USE_SYSTEM "Prefer system provided SDL_image" OFF)
 
 if (TOMATO_DEP_SDL_IMAGE_USE_SYSTEM)
 	if (NOT TARGET SDL3_image::SDL3_image)
+		cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
 		find_package(SDL3_image CONFIG GLOBAL QUIET)
 	endif()