diff --git a/day01/Makefile b/day01/Makefile
new file mode 100644
index 0000000..ee4ac53
--- /dev/null
+++ b/day01/Makefile
@@ -0,0 +1,11 @@
+TARGET=Day01
+
+.PHONY: all
+all: $(TARGET)
+
+$(TARGET): Day01.rs
+	rustc $<
+
+.PHONY: clean
+clean:
+	rm $(TARGET) -f
diff --git a/day02/Makefile b/day02/Makefile
new file mode 100644
index 0000000..038dcb0
--- /dev/null
+++ b/day02/Makefile
@@ -0,0 +1,15 @@
+TARGET=Day02
+
+.PHONY: all
+all: $(TARGET)
+
+.PHONY: run
+run: $(TARGET)
+	./$(TARGET)
+
+$(TARGET): Day02.rs
+	rustc $<
+
+.PHONY: clean
+clean:
+	rm $(TARGET) -f
diff --git a/day03/Makefile b/day03/Makefile
index 4f04af6..c9a143e 100644
--- a/day03/Makefile
+++ b/day03/Makefile
@@ -6,8 +6,8 @@ all: $(TARGET)
 run: $(TARGET)
 	./$(TARGET)
 
-$(TARGET): $(TARGET).hs
-	ghc -W $<
+$(TARGET): $(TARGET).rs
+	rustc $< -g -O
 
 .PHONY: clean
 clean:
diff --git a/day04/Makefile b/day04/Makefile
new file mode 100644
index 0000000..3898939
--- /dev/null
+++ b/day04/Makefile
@@ -0,0 +1,14 @@
+TARGET=Day04
+
+all: $(TARGET)
+
+.PHONY: run
+run: $(TARGET)
+	./$(TARGET)
+
+$(TARGET): $(TARGET).rs
+	rustc $< -g
+
+.PHONY: clean
+clean:
+	rm $(TARGET)