diff --git a/Module.mk b/Module.mk
index c87fd20..36339ea 100644
--- a/Module.mk
+++ b/Module.mk
@@ -111,6 +111,9 @@ include src/main/dinput/Module.mk
 include src/main/eamio-icca/Module.mk
 include src/main/eamio/Module.mk
 include src/main/eamiotest/Module.mk
+include src/main/extio/Module.mk
+include src/main/extiodrv/Module.mk
+include src/main/extiotest/Module.mk
 include src/main/ezusb-emu/Module.mk
 include src/main/ezusb-iidx-16seg-emu/Module.mk
 include src/main/ezusb-iidx-emu/Module.mk