diff --git a/cs675/bottomup/Makefile b/cs675/bottomup/Makefile
new file mode 100644
index 0000000..8ea43d4
--- /dev/null
+++ b/cs675/bottomup/Makefile
@@ -0,0 +1,6 @@
+
+all: sablecc
+
+.PHONY: sablecc
+sablecc:
+	sablecc arithmetic.grammar