diff --git a/Makefile b/Makefile
index 5f679e7..fb9d2e7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 all: a.out
-a.out: main.c enviroment.c enviroment.h q-learning.c q-learning.h constant.h
-	gcc main.c enviroment.c q-learning.c -lm
+a.out: main.c enviroment.c enviroment.h q-learning.c q-learning.h bignum.c bignum.h hash-table.c hash-table.h constant.h
+	gcc main.c enviroment.c q-learning.c bignum.c constant.h hash-table.c -lm
 run:
 	./a.out