diff --git a/CMakeLists.txt b/CMakeLists.txt
index e80e09b..ddfc754 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,9 @@ target_include_directories(${TARGET} PRIVATE "include")
 target_include_directories(${TARGET} PRIVATE "graphics/bin")
 
 target_link_directories(${TARGET} PRIVATE "${DEVKITPRO}/libtonc/lib")
-target_link_libraries(${TARGET} tonc)
+target_link_libraries(${TARGET} tonc mtl etl)
 
 gba_create_rom(${TARGET})
+
+add_subdirectory(mtl)
+add_subdirectory(etl)
diff --git a/mtl b/mtl
index d397a37..e19cb4a 160000
--- a/mtl
+++ b/mtl
@@ -1 +1 @@
-Subproject commit d397a376a5dddbea1cf20931e222d3e01ac60e9e
+Subproject commit e19cb4a079416517f1b840473c35c30c4aeb36eb