diff --git a/Makefile b/Makefile
index 62f9d91..8a1839f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 CC := gcc
-CFLAGS := -Wall -Wextra -O2 -flto=auto
+CFLAGS := -Wall -Wextra -O3 -flto=auto
 CURSES := $(shell pkg-config --libs ncursesw)
-CFLAGS_DEBUG := $(CFLAGS) -g
+CFLAGS_DEBUG := $(CFLAGS) -ggdb
 CFLAGS_PROFILE := $(CFLAGS) -pg
 GDB := gdb --tui ./th
 VALGRIND := valgrind --leak-check=full --track-origins=yes --show-leak-kinds=all --log-fd=9 9>>valgrind.log ./th