diff --git a/Makefile b/Makefile
index a4be981c..76253a24 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,19 @@
 .POSIX:
 
-build:
+all: metal infra platform apps
+
+.PHONY: metal
+metal:
 	make -C metal
+
+.PHONY: infra
+infra:
+	make -C infra
+
+.PHONY: platform
+platform:
 	make -C platform
+
+.PHONY: apps
+apps:
+	make -C apps