diff --git a/Makefile b/Makefile
index 6414976..2f75a79 100644
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,7 @@ BIN = bin/aoc
 .PHONY: build test clean
 
 build:
+	mkdir -p $(dir $(BIN))
 	$(GO) build -o $(BIN) ./cmd/aoc
 
 test: