diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3e5923fce..578056594 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -75,7 +75,7 @@ set(VERSION_PATCH "${VERSION_PATCH}-beta")
 set(VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
 
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_EXTENSIONS OFF)
 
 if(NOT CMAKE_BUILD_TYPE)
@@ -141,7 +141,7 @@ endif()
 
 if(${CMAKE_VERSION} VERSION_LESS "3.1.0")
     message("Please consider to switch to newer CMake")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
 endif()
 
 if("${ICU_MODE}" STREQUAL "runtime")