diff --git a/Makefile b/Makefile
index 288cee1..51e0516 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ OBJS_PATH	= 		obj
 SRCS		= 		$(addprefix $(SRCS_PATH)/, $(SRC))
 OBJS		= 		$(addprefix $(OBJS_PATH)/, $(SRC:.c=.o))
 
-CC			= 		cc -Wall -Wextra -Werror -g
+CC			= 		cc -Wall -Wextra -Werror -O3
 MLX			= 		-lmlx -lXext -lX11 -lm 
 RM			= 		rm -rf
 
diff --git a/libft/Makefile b/libft/Makefile
index 309058e..57bf838 100644
--- a/libft/Makefile
+++ b/libft/Makefile
@@ -14,7 +14,7 @@ SRCS_BONUS	= 	ft_lstnew.c ft_lstadd_front.c ft_lstsize.c ft_lstlast.c \
 				ft_lstiter.c ft_lstmap.c
 
 CC			= 	cc
-CC_FLAGS	= 	-Wall -Werror -Wextra
+CC_FLAGS	= 	-Wall -Werror -Wextra -O3
 RM			= 	rm -rf
 
 NAME		= 	libft.a
diff --git a/libft/ft_printf/Makefile b/libft/ft_printf/Makefile
index 08f3028..6731002 100644
--- a/libft/ft_printf/Makefile
+++ b/libft/ft_printf/Makefile
@@ -19,7 +19,8 @@ S_FILES_BONUS	=	ft_printf_bonus.c \
 
 SRC_OBJ		= $(subst src, obj, $(SRCS:.c=.o))
 
-CFLAGS		= -Wall -Wextra -Werror
+CC			= cc
+CFLAGS		= -Wall -Wextra -Werror -O3
 RM			= rm -rf
 
 all:		$(NAME)
diff --git a/libft/gnl/Makefile b/libft/gnl/Makefile
index 7a0a9ae..c3736cb 100644
--- a/libft/gnl/Makefile
+++ b/libft/gnl/Makefile
@@ -1,14 +1,18 @@
 NAME		= ../libft.a
 
 SRC			= get_next_line_bonus.c get_next_line_utils_bonus.c
-GNL_OBJ	= $(SRC:.c=.o)
+GNL_OBJ		= $(SRC:.c=.o)
+
+CC			= cc
+CFLAGS		= -Wall -Wextra -Werror -O3
+RM			= rm -rf
 
 all:		$(NAME)
 
-$(NAME): $(GNL_OBJ)
+$(NAME): 	$(GNL_OBJ)
 
 %.o: %.c
-	$(CC) -c $< -o $@
+	$(CC) $(CFLAGS) -c $< -o $@
 	ar -rcs $(NAME) $@
 
 clean:
diff --git a/libft/gnl/get_next_line_bonus.h b/libft/gnl/get_next_line_bonus.h
index 919e092..7c1a0e3 100644
--- a/libft/gnl/get_next_line_bonus.h
+++ b/libft/gnl/get_next_line_bonus.h
@@ -6,7 +6,7 @@
 /*   By: yde-goes <yde-goes@student.42sp.org.br     +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/06/30 22:12:25 by yde-goes          #+#    #+#             */
-/*   Updated: 2022/09/06 20:54:14 by yde-goes         ###   ########.fr       */
+/*   Updated: 2022/09/23 23:32:00 by yde-goes         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -18,7 +18,7 @@
 # endif
 
 # ifndef BUFFER_SIZE
-#  define BUFFER_SIZE 1
+#  define BUFFER_SIZE 4096
 # endif
 
 # include <stdlib.h>
diff --git a/src/file.c b/src/file.c
index 3ea085d..eef69d3 100644
--- a/src/file.c
+++ b/src/file.c
@@ -6,7 +6,7 @@
 /*   By: yde-goes <yde-goes@student.42sp.org.br     +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/08/29 04:56:14 by yde-goes          #+#    #+#             */
-/*   Updated: 2022/09/06 23:50:14 by yde-goes         ###   ########.fr       */
+/*   Updated: 2022/09/09 22:25:38 by yde-goes         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */