diff --git a/Makefile b/Makefile
index 8cab6d5455edc8758b2e3ae25e60956e38294f1a..ab8334b464afdefaba1c78a5cb9482dee6e30f15 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 TARGET= project
-CFLAGS=-g -W -Wall -Wextra -MMD
+CFLAGS=-g -W -Wall -Wextra -MMD -O2
 LDFLAGS=-lm
 SRC=$(wildcard *.c)
 DEPS=$(SRC:.c=.d)