1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 69b46fb..4915fa7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 CXX = g++
-CXXFLAGS = -Wall -Wextra -std=c++11 -O2 -fwrapv
+CXXFLAGS = -Wall -Wextra -std=c++11 -O3 -fwrapv
 LDFLAGS = -pthread
 
 .PHONY: all clean remake