diff --git a/lcthw/Makefile b/lcthw/Makefile
index 05981d7..fcf2862 100644
--- a/lcthw/Makefile
+++ b/lcthw/Makefile
@@ -1,10 +1,16 @@
 CFLAGS ?= -Wall -g
 
-all: ex1 ex3
+.PHONY: all
+all: build test
 
+.PHONY: clean
 clean:
 	rm -f ex1 ex3
 
+.PHONY: build
+build: ex1 ex3
+
+.PHONY: test
 test:
 	./ex1
 	./ex3