diff --git a/Makefile b/Makefile
index a4cfb8b..8a738cb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
-configure-fpga: build-rust-config
+fpga_config: fpga_config.rs
 	openocd -f openocd/openocd.cfg -f openocd/fpga-config.cfg
 
-build-rust-config: build-migen
+fpga_config.rs: top.bin
 	cargo build --example fpga_config
 
-build-migen:
+top.bin:
 	python3 migen/fpga_config.py