diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0d711f9..756a62e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,7 +42,7 @@ set(FLAGS_COMMON "-msse2 -D__MMX__ -D__SSE__ -D__SSE2__ -D__USE_LARGEFILE64 -pth
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLAGS_COMMON} -Wstrict-prototypes -std=gnu11")
 # Define __STDC_LIMIT_MACROS so |#include <stdint.h>| works as expected.
 # Define __STDC_FORMAT_MACROS so |#include <inttypes.h>| works as expected.
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS_COMMON} -D__STDC_LIMIT_MACROS -D__STDC_FORMAT_MACROS -std=c++11")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAGS_COMMON} -D__STDC_LIMIT_MACROS -D__STDC_FORMAT_MACROS -std=c++14")
 set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} -g3")
 
 set(RR_FLAGS_DEBUG "-Wall -Wextra  -O0 -DDEBUG -UNDEBUG")