diff --git a/CMakeLists.txt b/CMakeLists.txt
index b01798e..d57ae7d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 3.5)
 
 PROJECT(SJTU-RM-CV)
-SET(CMAKE_CXX_STANDARD 11)
+SET(CMAKE_CXX_STANDARD 14)
 SET(CMAKE_BUILD_TYPE RELEASE)
 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DPATH=\"\\\"${PROJECT_SOURCE_DIR}\\\"\"")